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Sunrise and storm clouds at Vermillion Lakes with Mount Rundle in autumn, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Bridge over Cascade Pond with Mount Rundle on horizon in autumn, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Cascade Mountain in autumn with stoney creek, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Sunrise and storm clouds at Vermillion Lakes with Mount Rundle in autumn, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Sunrise at Vermillion Lakes with Mount Rundle in autumn, Banff National Park, UNESCO World Heritage Site, Alberta, Rocky Mountains, Canada, North America

Sunset over Three Sisters in Autumn near Banff National Park, UNESCO World Heritage Site, Canmore, Alberta, Rocky Mountains, Canada, North America

Mounds and cliffs of expansive clay called Bentonite in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America

A woodland stream, the River Dart flowing through ancient oak woodland, in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

A woodland stream, the River Dart flowing through ancient oak woodland, in the heart of Dartmoor National Park, Devon, England, United Kingdom, Europe

The Lithodendron Wash in the Petrified Forest National Park, Arizona, United States of America, North America

A rocky pile in Petrified Forest National Park called Newspaper Rock, where some rocks have petroglyphs, Arizona, United States of America, North America

A red pool of salty water along the Blue Forest Trail in Petrified Forest National Park, Arizona, United States of America, North America

Hills of Bentonite Clay called Teepees at the start of the Blue Forest Trail in Petrified Forest National Park, Arizona, United States of America, North America

Huge formations of Bentonite Clay called the Teepees in the Petrified Forest National Park, Arizona, United States of America, North America

A large petrified log along the Blue Mesa Trail in Petrified Forest National Park, Arizona, United States of America, North America

A shattered petrified log in a desolate area of Petrified Forest National Park, Arizona, United States of America, North America

A Northern Tamandua (Ant-Eater) feeding in the forests of the Soberania National Park, Panama, Central America

Formation in the Petrified Forest National Park called a Teepee viewed from the main road that runs through the park, Arizona, United States of America, North America

Panorama view of the Painted Desert from Tawa Point in Petrified Forest National Park, Arizona, United States of America, North America

View from a side canyon along the Blue Mesa Trail in Petrified Forest National Park, Arizona, United States of America, North America

Mushroom shaped formations along the Blue Forest Trail in Petrified Forest National Park, Arizona, United States of America, North America

Salt covered hills of Bentonite in the Petrified Forest National Park along the Blue Forest Trail, Arizona, United States of America, North America

Evening light on the peaks of Three Sisters near Banff National Park, Canmore, Alberta, Canadian Rockies, Canada, North America

Blueberry leaves in autumn near rock towers in the Swiss National Park, Fuorn Pass, Engadine valley, Graubunden, Switzerland, Europe

Mistaya Canyon waterfalls at sunset with evening light and Mount Sarbach, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Waterfall, Louse River, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Rapids between Mora Lake and Little Saganaga Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Bear Hang, food bag hung between two trees to protect it from bears, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Misty morning, Malberg Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Pickup truck on Fire Road 182 exploring prairie grassland near Drake in the Prescott National Forest, Arizona, United States of America, North America

Narrow road, Fire Road 182, and grassy prairie in Prescott National Forest near Drake, Arizona, United States of America, North America

Camp on Malberg Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Water lilies on the Frost River, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Fall color change amongst the trees and shrubs in Denali National Park, Alaska, United States of America, North America

Horner Wood and Horner Water, at Pool Bridge, near Porlock, in Exmoor National Park, Somerset, England, United Kingdom, Europe

The prehistoric slab stone bridge, Tarr Steps, crossing the River Barle, near Dulverton, in Exmoor National Park, Somerset, England, United Kingdom, Europe

A group of Red Deer (Cervus elaphus) in countryside near Dunster, in Exmoor National Park, Somerset, England, United Kingdom, Europe

High voltage power lines stretching across Hell Canyon east of Paulden, located in the Prescott National Forest, Arizona, United States of America, North America

Half Dome, Mount Broderick and Liberty Cap with Nevada Fall waterfall on Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Sequoiadendron giganteum tree species, Sequoia National Park in the Sierra Nevada in California, United States of America, North America

Close up of sequoia tree in Sequoia and Kings Canyon National Park in the Sierra Nevada in California, United States of America, North America

Tunnel View overlook in Yosemite National Park, El Capitan and Half Dome overlook, UNESCO World Heritage Site, California, United States of America, North America

Yosemite National Park sign for Glacier Point, Taft Point and Sentinel Dome, UNESCO World Heritage Site, California, United States of America, North America

Yosemite National Park sign for Glacier Point, Taft Point and Sentinel Dome, UNESCO World Heritage Site, California, United States of America, North America

Wizard Island in Crater Lake, the deepest lake in the United States, Crater Lake National Park, Oregon, United States of America, North America

Giant redwood trees on the Trillium Trail, Redwood National and State Parks, UNESCO World Heritage Site, California, United States of America, North America

Giant redwood trees on the Trillium Trail, Redwood National and State Parks, UNESCO World Heritage Site, California, United States of America, North America

Giant redwoods on the Lady Bird Johnson Trail in Redwood National Park, UNESCO World Heritage Site, California, United States of America, North America

Giant redwoods on the Lady Bird Johnson Trail in Redwood National Park, UNESCO World Heritage Site, California, United States of America, North America

Early light on Mount Rainier from the Burroughs Mountain Trail, Mount Rainier National Park, Washington State, United States of America, North America

Early light on Mount Rainier from the Burroughs Mountain Trail, Mount Rainier National Park, Washington State, United States of America, North America

Temperate rain forest on the Maple Glade Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Temperate rain forest on the Maple Glade Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Temperate rain forest on the Maple Glade Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Waterfall on the Sol Duc Falls Trail, Sol Duc Valley, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Nursery log on the Rain Forest Nature Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Dense ferns on the Marymere Falls Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Temperate rain forest on the Maple Glade Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Buildings from the Kestner Homestead, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Lichen-covered trees on the Marymere Falls Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Waterfall on the Marymere Falls Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Temperate rain forest on the Maple Glade Trail, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Old Chevrolet truck at the Kestner Homestead, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Old Chevrolet truck at the Kestner Homestead, Quinault Rain Forest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Photographer on the Sol Duc Falls Trail, Sol Duc Valley, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Lake Wanaka at sunrise, Mount-Aspiring National Park, UNESCO World Heritage Site, Otago, South Island, New Zealand, Pacific

Fall color change amongst the trees and shrubs on the Rock Creek Trail in Denali National Park, Alaska, United States of America, North America

Toxic pond formed from runoff of mine tailings at an abandoned copper mine in the Prescott National Forest near Perkinsville, Arizona, United States of America, North America

Toxic pond formed from runoff of mine tailings at an abandoned copper mine in the Prescott National Forest near Perkinsville, Arizona, United States of America, North America

Northern Lights (Aurora Borealis) in the starry winter sky over the frozen forest, Pallas-Yllastunturi National Park, Muonio, Lapland, Finland, Europe

Arnica Lake in autumn with Larch trees and Mountains, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Arnica Lake in Autumn with Larch trees and Mountains, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Sunrise in autumn at Three Sisters Peaks near Banff National Park, Canmore, Alberta, Canadian Rockies, Canada, North America

Storm Mountain from the Arnica Lake Trail in autumn, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Bull Elk (Wapiti), Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Ancient Indian Ruins near Granite Mountain in the Prescott National Forest, Arizona, United States of America, North America

Ancient Indian Ruins near Granite Mountain in the Prescott National Forest, Arizona, United States of America, North America

Panorama of the setting sun at the First Forest in Petrified Forest National Park, Arizona, United States of America, North America

The eastern edge of the Clam Bed Mesa along the Red Basin Trail in Petrified Forest National Park, Arizona, United States of America, North America

One of many fossil filled boulders in the Clam Beds along Red Basin Trail in Petrified Forest National Park, Arizona, United States of America, North America

A ridge in the Devil's Playground of crumbling hoodoos that resemble Goblins,Petrified Forest National Park, Arizona, United States of America, North America

An old windmill marking the boundary of the Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America

A ridge in the Devil's Playground of crumbling hoodoos that resemble Goblins, Petrified Forest National Park, Arizona, United States of America, North America

Panorama of a ridge in the Devil's Playground of crumbling hoodoos, Petrified Forest National Park, Arizona, United States of America, North America

Panorama of a ridge in the Devil's Playground of crumbling hoodoos, Petrified Forest National Park, Arizona, United States of America, North America

Adult humpback whale (Megaptera novaeangliae), surfacing with spout in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Adult humpback whale (Megaptera novaeangliae), flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Adult humpback whale (Megaptera novaeangliae) flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Adult North American porcupine (Erethizon dorsatum), running in Glacier Bay National Park, Alaska, United States of America, North America

Adult humpback whale (Megaptera novaeangliae), flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Adult humpback whale (Megaptera novaeangliae), flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America