Passengers embarking at Rosiere Steps on the Travel Trident ferry boat to Guernsey from Herm Island, Bailiwick of Guernsey, United Kingdom

People and goods embarking at the stop-over in a village on Tanzanian side of Lake Tanganyika, Tanzania, East Africa, Africa

People and goods embarking at the stop-over in a village on Tanzanian side of Lake Tanganyika, Tanzania, East Africa, Africa

Embarking goods and passengers in Kigoma, Tanzania, East Africa, Africa

Tourist boat, Samson, Isles of Scilly, United Kingdom, Europe

Lindblad Expeditions guests on board the National Geographic Explorer with a lone adult emperor penguin (Aptenodytes forsteri) on sea ice, Antarctica

Crew and guest on Zodiacs in the Atlantic Ocean from onboard the National Geographic Endeavour crossing the Atlantic Ocean from Lisbon, Portugal to Salvador, Brazil

Crew and guest on Zodiacs in the Atlantic Ocean from onboard the National Geographic Endeavour crossing the Atlantic Ocean from Lisbon, Portugal to Salvador, Brazil

Lindblad Expeditions guests on board the National Geographic Explorer with a lone adult emperor penguin (Aptenodytes forsteri) on sea ice, Antarctica

Seville, Spain. Old door detail, made of wood, 200 years old

Barcelona, Spain - Detail of Saint Georges Door, Viceroys Palace

Locals boarding train on platform, Yangon Circular Railway, Yangon, Myanmar, Asia

A backpacker crosses the exotic landscape of the ash and pumice-covered Valley of Ten Thousand Smokes in Katmai National Park, with Mt. Katmai (left), Trident Volcano (right), and the Knife Creek Glaciers looming in the distance; Alaska, United States of