Cactus plants inside Jardin de Cactus designed by Cesar Manrique, Guatiza, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Ice in all of its myriad forms in the Svalbard Archipelago, Norway, Arctic, Europe

Spotted eagle ray (Aetobatus narinari) underwater at Leon Dormido Island off San Cristobal Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Aerial of an iceberg in the Nuuk Icefjord, Western Greenland, Denmark, Polar Regions

View of Welome sign and signpost on Tristan da Cunha, the most remote inhabited location on Earth, Tristan da Cunha, South Atlantic Ocean

Pia glacier, Tierra del Fuego, Chile, South America

A close up view of a beetle on hogweed (Heracleum spp) found in the Solovetsky Islands, Arkhangelsk Oblast, White Sea, Russia, Arctic, Europe

Aerial view taken by drone of iceberg in Fjallsjokull Glacier Lagoon during a summer day, Iceland, Polar Regions

Cave dwelling among euphorbia, La Palma, Canary Islands, Spain, Atlantic Ocean, Europe

Black and whilte image of an Atlantic Puffin (Fratercula arctica), after having jumped from a cliff edge in Borgarfjaroarhofn, Iceland, Polar Regions

Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia

Glacial iceberg detail from ice calved off the South Sawyer Glacier in Tracy Arm, Southeast Alaska, Pacific Ocean, United States of America, North America

A pair of moon jellyfish (Aurelia sp), in Jellyfish Lake, located on Eil Malk island, Rock Islands, Palau, Micronesia, Pacific

Puffins, Mingulay, Outer Hebrides, Scotland, United Kingdom, Europe

Salt flats and distant views of Pichu Pichu, El Misti and Chachani volcanoes, Salinas y Aguada Blanca National Reserve, Arequipa Province, Arequipa Region, Peru, South America

Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over 100 years, San Cristobal island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Panoramic of a huge boab tree (Adansonia gregorii), growing in Careening Bay, Kimberley, Western Australia, Australia, Pacific

Views of the abandoned whaling station in Stromness Bay on South Georgia in the Southern Ocean, Polar Regions

Galapagos Land Iguana (conolophus subcristatus), a large lizard species, that can grow up to five feet long and live 60 years, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Biosphere 2, self-sustaining ecosystem, lodgings of mission's scientists, Oracle, Arizona, USA, North America

Biosphere 2, self-sustaining ecosystem, Oracle, Arizona, USA, North America

Biosphere 2, self-sustaining ecosystem, cactus in front of facility with tropical rainforest, Oracle, Arizona, USA, North America

Biosphere 2, self-sustaining ecosystem, Oracle, Arizona, USA, North America

Biosphere 2, self-sustaining ecosystem, Oracle, Arizona, USA, North America

Rays Of Light Through A Tree

Giant's Causeway, County Antrim, Ireland, Basalt Columns

Mouth detail of a colourful and healthy Mushroom coral, Fungia fungites, that is growing on a tropical coral reef in the Philippines. Mushroom coral is unique in the coral world, in that it does not attach itself to the bottom, Philippines