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Pyramid I, Calakmul, UNESCO World Heritage Site, Calakmul Biosphere Reserve, the largest tropical forest reserve in Mexico, Campeche, Mexico, North America

Magnificent frigate bird (Fregata magnificens), Isla Marietas National Park, UNESCO Biosphere Reserve, Puerto Vallarta, Jalisco, Mexico, North America

Mayan ruins, Calakmul, UNESCO World Heritage Site, Calakmul Biosphere Reserve, the largest tropical forest reserve in Mexico, Campeche, Mexico, North America

Swamp area in the Utwe lagoon, UNESCO Biosphere Reserve, Kosrae, Federated States of Micronesia, South Pacific

Crystal clear water in the Utwe lagoon, UNESCO Biosphere Reserve, Kosrae, Federated States of Micronesia, South Pacific

Crystal clear water in the Utwe lagoon, UNESCO Biosphere Reserve, Kosrae, Federated States of Micronesia, South Pacific

Crystal clear water in the Utwe lagoon, UNESCO Biosphere Reserve, Kosrae, Federated States of Micronesia, South Pacific

Crystal clear water in the Utwe lagoon, UNESCO Biosphere Reserve, Kosrae, Federated States of Micronesia, South Pacific

Stingray swimming in the crystal clear water in the Utwe lagoon, UNESCO Biosphere Reserve, Kosrae, Federated States of Micronesia, South Pacific

Floating Vietnamese village, Lake Tonle Sap, Biosphere Reserve of UNESCO, Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

Blue-footed booby (Sula nebouxii), Isla Marietas National Park, UNESCO Biosphere Reserve, Puerto Vallarta, Jalisco, Mexico, North America

Canary Islands juniper (Juniperus cedrus), Nature Reserve El Sabinar, UNESCO Biosphere Reserve, El Hierro, Canary Islands, Spain, Europe

Monarch Butterfly Biosphere Reserve, UNESCO World Heritage Site, El Rosario, Michoacan, Mexico, North America

Millions of butterflies covering trees, Monarch Butterfly Biosphere Reserve, UNESCO World Heritage Site, El Rosario, Michoacan, Mexico, North America

Millions of butterflies covering trees, Monarch Butterfly Biosphere Reserve, UNESCO World Heritage Site, El Rosario, Michoacan, Mexico, North America

Close up of Monarch butterflies (Danaus plexippus), Monarch Butterfly Biosphere Reserve, UNESCO World Heritage Site, El Rosario, Michoacan, Mexico, North America

Millions of butterflies covering trees, Monarch Butterfly Biosphere Reserve, UNESCO World Heritage Site, El Rosario, Michoacan, Mexico, North America

Millions of butterflies covering trees, Monarch Butterfly Biosphere Reserve, UNESCO World Heritage Site, El Rosario, Michoacan, Mexico, North America

Aerial of Sian Ka'an Biosphere Reserve, UNESCO World Heritage Site, Quintana Roo, Mexico, North America

Aerial of Sian Ka'an Biosphere Reserve, UNESCO World Heritage Site, Quintana Roo, Mexico, North America

Aerial of Sian Ka'an Biosphere Reserve, UNESCO World Heritage Site, Quintana Roo, Mexico, North America

Reservoir in the mountain community and tourist centre of Las Terrazas, Sierra del Rosario Nature and Biosphere Reserve, UNESCO World Heritage Site, Cordillera de Guaniguanico, Pinar del Rio, Cuba, West Indies, Central America

Aerial of Sian Ka'an Biosphere Reserve, UNESCO World Heritage Site, Quintana Roo, Mexico, North America

Cactus garden Jardin de Cactus by Cesar Manrique, wind mill, UNESCO Biosphere Reserve, Guatiza, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Beautiful beach in the Bom Bom Resort, UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Iglesia Santa Maria de la Concepcion church, Valverde, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Europe

Aerial view of the UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

View from Mirador de Jinama to El Golfo Valley, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Aerial view of the UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Las Playas Bay with rock arch Roque de Bonanza, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Cactus garden Jardin de Cactus by Cesar Manrique, wind mill, UNESCO Biosphere Reserve, Guatiza, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Interior of a farmhouse, Open Air Museum in Lehde, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

American flamingo (Phoenicopterus ruber), Rio Celestun UNESCO Biosphere Reserve, Yucatan, Mexico, North America

Aerial of Sian Ka'an Biosphere Reserve, UNESCO World Heritage Site, Quintana Roo, Mexico, North America

Townhall at Plazza Virrey de Manila Square, Valverde, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Europe

Little motorboat in the turquoise waters of Banana beach, UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Old fire pumps in the Open Air mmuseum in Lehde, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

Beautiful beach in the Bom Bom Resort, UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Natural swimming pool, Charco Manso Bay, Punta Norte near Echedo, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Canary Islands juniper (Juniperus cedrus) at sunset, Nature Reserve El Sabinar, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Europe

Observatory on Roque de los Muchachos at sunset, Parque Nacional de la Caldera de Taburiente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

View from Roque de los Muchachos into Caldera de Taburiente at sunset, Parque Nacional de la Caldera de Taburiente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Rock arch at sunrise, Charco Manso Bay, Punta Norte near Echedo, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Hiker on a hiking path from Los Brecitos through Caldera de Taburiente, Parque Nacional de la Caldera de Taburiente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Backlight in the Harbour of Luebbenau, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

Beautiful beach in the Bom Bom Resort, UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Hiker at Mirador de la Cumbrecita looking into Caldera de Taburiente, Parque Nacional de la Caldera de Taburiente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Puntas de Gutierrez, lava coast, UNESCO Biosphere Reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Woman on Birigoyo mountain looking at Cumbre Nueva and Cumbre Vieja at sunset, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Zamora Beach at sunset (Playa de la Zamora) near Fuencaliente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Atlantic, Europe

View from Roque de los Muchachos into Caldera de Taburiente, Parque Nacional de la Caldera de Taburiente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Mirador de la Pena at sunset, architect Cesar Manrique, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Europe

View from Mirador Isora to Las Playas Bay at sunsrise, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Zamora Beach at sunset (Playa de la Zamora) near Fuencaliente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Atlantic, Europe

Beautiful beach in the Bom Bom Resort, UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Charco Manso Bay, Punta Norte near Echedo, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Rock arch, Arco de la Tosca at Punta de la Dehesa, lava coast, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Remote tropical beach on the UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Rio Taburiente River, Caldera de Taburiente, Parque Nacional de la Caldera de Taburiente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Backlight in the Harbour of Luebbenau, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

Beautiful beach in the Bom Bom Resort, UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Aerial view of the UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Hotel Punta Grande at sunset, Las Puntas, El Golfo, lava coast, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Rock arch, Charco Manso Bay, Punta Norte near Echedo, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Caldera de Taburiente, Parque Nacional de la Caldera de Taburiente, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Beautiful beach in the Bom Bom Resort, UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Sunset at south coast near La Restinga, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Canarian Pines (Pinus canariensis), Cumbre Vieja, UNESCO Biosphere Reserve, La Palma, Canary Islands, Spain, Europe

Sunset at south coast near La Restinga, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Rock arch, landmark, La Maceta, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Remote tropical beach on the UNESCO Biosphere Reserve Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Basalt boulders in the ocean, El Golfo, UNESCO Biosphere Reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Coast near Los Llanillos at sunset, El Golfo Valley, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Rock arch, Arco de la Tosca at Punta de la Dehesa, lava coast, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Rock arch at sunrise, Charco Manso Bay, Punta Norte near Echedo, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Lava coast of Las Puntas at sunset, El Golfo, biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe

Meadow of flowers and stone wall, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Europe

Coast near Los Llanillos at sunset, El Golfo Valley, UNESCO biosphere reserve, El Hierro, Canary Islands, Spain, Atlantic, Europe