The view to the southeast from Point Sublime after sunset, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Lake Louise, Banff National Park, UNESCO World Heritage Site, Rocky Mountains, Alberta, Canada, North America

Hiker on Tongariro Crossing trek by Blue Lake under winter ice and snow, Tongariro National Park, UNESCO World Heritage Site, Taupo, South Auckland, North Island, New Zealand, Pacific

Aerial view of the South Rim, Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, USA, North America

Gunlom Falls, Kakadu National Park, UNESCO World Heritage Site, Australia, Pacific

Late winter hikers on snowfield in South Crater on Tongariro Crossing, Tongariro National Park, UNESCO World Heritage Site, South Auckland, North Island, New Zealand, Pacific

Cliff Geyser erupts from geyserite bank on edge of Firehole River through Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

Al-Aqsa Mosque on Temple Mount with Archaeological Park and Mount of Olives, Jerusalem, UNESCO World Heritage Site, Israel, Middle East

Two novice Buddhist monks in front of a statue of the reclining Budha, Wat Lokayasutharam, Ayuthaya Historical Park, Ayuthaya (Ayutthaya), UNESCO World Heritage Site, central Thailand, Thailand, Southeast Asia, Asia

Two novice Buddhist monks with offerings, and Buddha head, Wat Phra Mahathat, Ayuthaya Historical Park, Ayuthaya (Ayutthaya), UNESCO World Heritage Site, central Thailand, Thailand, Southeast Asia, Asia

Novice monk with offering of flowers, and Buddha head in Wat Phra Mahathat, Ayuthaya (Ayutthaya) Historical Park, Ayuthaya (Ayutthaya), UNESCO World Heritage Site, central Thailand, Thailand, Southeast Asia, Asia

Petroglyphs near Una Vida, Chaco Culture National Historic Park, UNESCO World Heritage Site, New Mexico, United States of America, North America

Great Sandy National Park, Fraser Island, UNESCO World Heritage Site, Queensland, Australia, Pacific

The Blue Pools of Haast Pass, Mount Aspiring National Park, UNESCO World Heritage Site, West Coast, South Island, New Zealand, Pacific

Simien Mountains Park Ranger, Dramatic mountain scenery from the area around Geech, UNESCO World Heritage Site, Simien Mountains National Park, The Ethiopian Highlands, Ethiopia, Africa

Lake Quinault, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America

Father and son hike to Anderson Pass, Enchanted Valley, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America

Grass and maple trees in temperate rain forest, Queets River, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America

Winter landscape, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Afternoon light on the Perito Moreno Glacier, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Last light on the Fitz Roy Mountain Range, Laguna Capri, Los Glaciares National Park, UNESCO World Heritage Site, Santa Cruz Province, Argentina, South America

Afternoon light on the Perito Moreno Glacier, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Perito Moreno Glacier at dawn, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Sunrise over the Fitz Roy Mountain Range, Laguna Capri, Los Glaciares National Park, UNESCO World Heritage Site, Santa Cruz Province, Argentina, South America

Tourist boat floating through the Puerto Princesa underground river, the New Wonder of the World, Puerto-Princesa Subterranean River National Park, UNESCO World Heritage Site, Palawan, Philippines, Southeast Asia, Asia

Tourists in a rowing boat entering the Puerto Princesa underground river, the New Wonder of the World, Puerto-Princesa Subterranean River National Park, UNESCO World Heritage Site, Palawan, Philippines, Southeast Asia, Asia

Puerto Princesa underground river, the New Wonder of the World, Puerto-Princesa Subterranean River National Park, UNESCO World Heritage Site, Palawan, Philippines, Southeast Asia, Asia

Tourist boat floating through the Puerto Princesa underground river, the New Wonder of the World, Puerto-Princesa Subterranean River National Park, UNESCO World Heritage Site, Palawan, Philippines, Southeast Asia, Asia

Regenerating trees reflected in a frosty and misty Lewis River at dawn, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Daisy Geyser, one of the most predictable, erupts at an angle, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Turban, Vent and Grand Geysers erupt, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Turban, Vent and Grand Geysers erupt, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Tourists on boardwalk in silhouette, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Backpackers in steamy light, Queets Vall, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America

Hooker Lake and Glacier with icebergs and Mount Cook, Mount Cook National Park, UNESCO World Heritage Site, Canterbury region, South Island, New Zealand, Pacific

Swing bridge in Hooker Valley with Mount Cook, Mount Cook National Park, UNESCO World Heritage Site, Canterbury region, South Island, New Zealand, Pacific

Tourists hiking on the Franz-Joseph Glacier, Westland Tai Poutini National Park, Southern Alps, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Tourists hiking up to the Franz-Joseph Glacier, Westland Tai Poutini National Park, Southern Alps, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Huge waterfall on the bottom of Franz-Joseph Glacier, Westland Tai Poutini National Park, Southern Alps, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Aerial of a tuquoise crater lake on top of Mount Ruapehu, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Ski cottage on Mount Ruapehu, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Aerial of a blue lake with Mount Ngauruhoe in the background, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Cruise ship passing through Milford Sound, Fiordland National Park, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Memorial pyramid in the Mount Cook National Park, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Lake Pukaki with Mount Cook in the background in late afternoon light, Mount Cook National Park, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Temple of Inscriptions, Palenque Archaeological Park, UNESCO World Heritage Site, Palenque, Chiapas, Mexico, North America

Temple of Inscriptions, Palenque Archaeological Park, UNESCO World Heritage Site, Palenque, Chiapas, Mexico, North America

Glyphic texts, Patio of the Captives, the Palace, Palenque Archaeological Park, UNESCO World Heritage Site, Palenque, Chiapas, Mexico, North America

Temple of the Count, Palenque Archaeological Park, UNESCO World Heritage Site, Palenque, Chiapas, Mexico, North America

Temple XIX, sculptured relief, Palenque Archaeological Park, UNESCO World Heritage Site, Palenque, Chiapas, Mexico, North America

Temple XIX, sculptured relief, Palenque Archaeological Park, UNESCO World Heritage Site, Palenque, Chiapas, Mexico, North America

Temple of the Sun, Palenque Archaeological Park, UNESCO World Heritage Site, Palenque, Chiapas, Mexico, North America

Sunrise at Vermilion Lakes in the Canadian Rocky Mountains, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Wat Mahatat, Sukhothai Historical Park, UNESCO World Heritage Site, Sukhothai, Thailand, Southeast Asia, Asia

Wat Mahatat, Sukhothai Historical Park, UNESCO World Heritage Site, Sukhothai, Thailand, Southeast Asia, Asia

Wat Si Chum, Sukhothai Historical Park, UNESCO World Heritage Site, Sukhothai, Thailand, Southeast Asia, Asiablue and red curve adjustments

Wat Mahatat, Sukhothai Historical Park, UNESCO World Heritage Site, Sukhothai, Thailand, Southeast Asia, Asia

Wat Yai Chai Mongkhon, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Wat Phra Si Sanphet, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Sleeping Buddha, Wat Lokaya Sutha, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Wat Phra Ram, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Wat Yai Chai Mongkhon, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Wat Chai Wattanaram, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Wat Phra Si Sanphet, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Wat Yai Chai Mongkhon, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Wat Chai Wattanaram, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Stone Buddha head entwined in the roots of a fig tree, Wat Mahatat, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asiacuvres used to bring out red in top of roots and blue at bottom of roots, increased contrast

Wat Chai Wattanaram, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Stone Buddha head entwined in the roots of a fig tree, Wat Mahatat, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asiacuvres used to bring out red in top of roots and blue at bottom of roots, increased contrast

Glaciar Perito Moreno (Perito Moreno Glacier), Lago Argentino, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Glaciar Perito Moreno (Perito Moreno Glacier), Lago Argentino, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Cerro Torre, granite spire 1400 metres tall, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Glaciar Perito Moreno (Perito Moreno Glacier), Lago Argentino, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Glaciar Perito Moreno (Perito Moreno Glacier), Lago Argentino, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Bison (Bison bison), Hayden Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Bare trees surrounding the banks of Holme Fell Tarn on an overcast winters day in the Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

Dry stone wall and grazing sheep, Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

A calm clear autumn morning at Elterwater as the first light of a new day illuminates the trees and mist, Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

Mount Ngauruhoe, 2287m, on the Tongariro Crossing, in the oldest national park in New Zealand, Tongariro National Park, UNESCO World Heritage Site, Taupo, North Island, New Zealand, Pacific

Hikers walking towards Barn Bluff on the overland track in Cradle Mountain Lake St. Clair National Park, part of Tasmanian Wilderness, UNESCO World Heritage Site, Tasmania, Australia, Pacific

Morning Glory Pool and surrounds, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Cold tourists on seat surrounded by steam, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Dead trees and steam with mountain backdrop and blue skies, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Fallen lodgepole pines, Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Fishing Cone Geyser with freezing mists, Yellowstone Lake at West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Late afternoon light on Horsetail Falls, a phenomenon which occurs only one or two days a year in late February due to the angle of the sun and snow melt on the cliffs, Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Late afternoon light on Horsetail Falls, a phenomenon which occurs only one or two days a year in late February due to the angle of the sun and snow melt on the cliffs, Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Fresh snow fall on El Capitan in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Female tourist on boardwalk by the Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Brimstone Hill Fortress, 18th century compound, largest and best preserved fortress in the Caribbean, Brimstone Hill Fortress National Park, UNESCO World Heritage Site, St. Kitts, Leeward Islands, West Indies, Caribbean, Central America

Man in the Cathedral Gorge, Bungle Bungle, Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Australia, Australia, Pacific

Nourlangie Rock and Anbangbang Billabong, Kakadu National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific

Aboriginal rock art, Ubirr, Kakadu National Par, UNESCO World Heritage Site, Northern Territory, Australia, Pacific

Vermilion Lakes, Banff National Park, UNESCO World Heritage Site, Rocky Mountains, Alberta, Canada, North America

Columbia Icefield, Jasper National Park, UNESCO World Heritage Site, Rocky Mountains, Alberta, Canada, North America

Turquoise waters of Moraine Lake reflect the mountain tops of the Rocky Mountains, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Early morning sunlight catches the grass growing beside the Cascade River, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Snow at Moraine Lake in Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Autumn in Stock Ghyll near Ambleside, Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

A couple in a giant love heart lock, Zhangjiajie Forest Park, Wulingyuan Scenic Area, UNESCO World Heritage Site, Hunan Province, China, Asia