View from Kecil (Little) towards Besar (Big), the two Perhentian Islands, tropical paradise marine parks off the coast of this north eastern state, Terengganu, Malaysia, Asia

The Lake Palace hotel on Lake Pichola, Udaipur, Rajasthan, India

View along the coast, Nazri's Beach and rainforest, Air Batang Bay, Pulau Tioman, Pahang Marine Park, Pahang, Malaysia, Asia

Barrow Bay Landing Stage, Derwent Water, Lake District, Cumbria, England, UK

Humpback whale (Megaptera novaeangliae), and snow coverd mountains in the background, Francisco Coloane Marine Park, Strait of Magallanes (Magellan), Patagonia, Chile, South America

Tail (fluke) of a humpback whale (Megaptera novaeangliae), Francisco Coloane Marine Park, Strait of Magallanes (Magellan), Patagonia, Chile, South America

Ramos beach, Serifos Island, Cyclades, Greek Islands, Greece, Europe

Agios Sostis beach, Serifos Island, Cyclades, Greek Islands, Greece, Europe

Beach near Terme Selinuntine, Sciacca, Agrigento district, Sicily, Italy, Mediterranean, Europe

Beachgoers and umbrellas, Praia dos Pescadores (Fishermans Beach), Albufeira, Faro district, Algarve, Portugal

Coastline near Praia de Parasio beach, Caroveiro, Algrave, Portugal

Praia de Parasio beach, Carvoeiro, Algrave, Portugal

Praia Dona Ana coastline, Ponta da Piedade, Lagos, Algarve, Portugal

Pandanon Island, Nalusuan Marine Sanctuary, Cebu island, The Philippines, Southeast Asia, Asia

Fishing boats, Heronissos, Sifnos Island, Cyclades, Greek Islands, Greece, Europe

Viana do Castelo, Minho-Lima, Portugal

Eraclea Minoa beach, top view, Cattolica Eraclea, Agrigento district, Sicily, Italy

Faro de Cíes lighthouse, Isla del Faro island, Cies Islands, Atlantic islands National Park, Galicia, Spain, Europe

View of the fishing habour from fortress wall, old Medina, Tangier, Morocco, North Africa, Africa

Sao Joao Baptista's fort, Berlenga Grande Island, Portugal, Europe

Sea Defences on Llanddulas Beach backed by The Great Orme at sunset, Llanddulas, near Abergele, Conwy County Borough, North Wales, United Kingdom, Europe

Cliffs at Cabo de Sao Vicente, Algarve, Portugal

The port at Sagres, Algarve, Portugal

The gigantic Gruta de Benagil sea cave (Benagil Cathedral), Algarve, Portugal

Scala dei Turchi, Agrigento, Sicily, Italy

Riserva Naturale di Punta Bianca, Palma di Montechiaro, Agrigento, Sicily, Italy

Eraclea Minoa beach, Cattolica Eraclea, Agrigento district, Sicily, Italy

Old Port, Lighthouse, Monopoli, Bari, Apulia, Italy, Monopoli, Bari, Apulia, Italy

Torre Colimena (Colimena Tower), Manduria, Taranto, Apulia, Italy

Salt-pans dating back to Roman times on the west coast of the island of Gozo, Malta

Coastal scenery on the island of Menorca, Balearic Islands, Spain

The coast of southern Cyprus

The Atlantic Ocean breaking on rocks at Boat Cove, West Penwith, Cornwall, England, United Kingdom

Moulin Huet Bay, Guernsey, Channel Islands

Pandanon Island, Nalusuan Marine Sanctuary, Cebu island, The Philippines, Asia

Agali bay, top view, Agali, Folegandros Island, Cyclades Islands, Greek Islands, Greece, Europe

Surroundings of Monopoli, Bari, Apulia, Italy

Bari waterfront, Bari, Apulia, Italy

The spectacular scenery on the island of Madeira, Atlantic Ocean, Portugal

The spectacular scenery on the island of Madeira, Atlantic Ocean, Portugal

Manorbier beach, South Pembrokeshire, Wales, United Kingdom

Paliochori beach, Milos Island, Cyclades Islands, Greek Islands, Greece, Europe

The spectacular scenery on the island of Madeira, Atlantic Ocean, Portugal

Sunset over the Arabian Sea, Mobor, Goa, India

Rock formations, Sarakiniko, Milos Island, Cyclades Islands, Greek Islands, Greece, Europe

Backwater near Mobor, Goa, India

Sunset of the Narmada River, Maheshwar, Madhya Pradesh, India

Sunset over the Tiracol River, Goa, India

Tourist boats on backwater near Mobor, Goa, India

View of the sea to the right and the Tiracol River to the left from Fort Tiracol, Goa, India

Gibralter, Europe

Sunset over the Tiracol River, Goa, India

Marine iguana (Amblyrhynchus cristatus), Isabela Island, Galapagos Islands, Ecuador, Pacific, South America

Southern right whale, Eubalaena australis, Hermanus, South Africa

Bamburgh Castle, Northumberland, England

Bamburgh Castle at dusk, Northumberland, England

Sunset over Nordkapp, North Cape, Mageroya Mahkaravju island, Norway

View of seagull from ferry at sunset, Kavala, Dimos Kavalas, Eastern Macedonia and Thrace, Gulf of Thasos, Gulf of Kavala, Greece, Europe

A slightly bleached staghorn coral colony grows in shallow water in the Solomon Islands. This Melanesian region is known for its spectacular marine biodiversity.

Beautiful soft coral colonies grow on a healthy coral reef in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

A diverse array of corals grow in Raja Ampat, Indonesia. This beautiful region is known for its spectacular reefs and high marine biodiversity.

Corals grow on a shallow reef in Indonesia. This beautiful, tropical region is known for its spectacular reefs and high marine biodiversity.

A colorful crinoid clings to a coral reef slope in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

Crinoids cling to a large sponge on a healthy coral reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

A colorful and healthy coral reef thrives in shallow water in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.

Limestone islands surround a beautiful lagoon in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.

A broadclub cuttlefish (Sepia latimanus) uses camouflage to blend into a shallow coral reef in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.

A beautiful coral reef thrives in the shallows of Alor, Indonesia. This remote region is home to a wide array of marine biodiversity.

Aerial view of beautiful limestone islands scattered about the seascape in Raja Ampat, Indonesia. This tropical area is known for its extraordinary marine biodiversity and is a popular destination for divers and snorkelers.

Garden coral, sponges, and other invertebrates grow in a shallow seagrass meadow in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.

A hawksbill sea turtle, Eretmochelys imbricata, swims over a beautiful reef in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.

A hawksbill sea turtle, Eretmochelys imbricata, lays on a beautiful reef in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.

Aerial view of a healthy fringing reef along the edge of Komodo Island in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for its marine biodiversity as well as its infamous Komodo dragons.

Aerial view of the idyllic island of Gili Banta just outside of Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for its marine biodiversity as well as its infamous Komodo dragons.

A bird's eye view shows the rugged landscape of Komodo Island in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for its marine biodiversity as well as its infamous Komodo dragons.

A bird's eye view of an idyllic island and healthy fringing reef in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for its marine biodiversity as well as its infamous Komodo dragons.

Southern giant petrel (Macronectes giganteus), feeding on a sheep carcass at West Point Island, Falkland Islands, South America

Antarctic tern (Sterna vittata), feeding in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions

Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions

Adult bull southern elephant seal (Mirounga leonina) issuing a bellowing challenge at Gold Harbour on South Georgia, Polar Regions

Southern elephant seal (Mirounga leonina) weaner pups sleeping on the beach at Gold Harbour on South Georgia, Polar Regions

Mandrakia village, Milos Island, Cyclades Islands, Greek Islands, Greece, Europe

View of tidewater glacier cave found deep inside Neko Harbor on the western side of the Antarctic Peninsula, Polar Regions

Dramatic Sea Arch of Drangarnir and waves crashing on the Faroe Islands coast, Faroe Islands, Denmark, Atlantic, Europe

Southern right whale (Eubalaena australis) flukes-up dive near whale watching boat in Puerto Pyramides, Argentina, South America

Southern right whale (Eubalaena australis) adult female lifting both her head and flukes out of the water in Argentina, South America

A commercial whale watching boat being launched at the beach at low tide in Puerto Pyramides, Golfo Nuevo, Argentina, South America

A commercial whale watching boat being launched at the beach at low tide in Puerto Pyramides, Golfo Nuevo, Argentina, South America

View across clear turquoise water to rocky headland at northern end of the Spiaggia Rosa, Budelli Island, La Maddalena Archipelago National Park, Sassari, Sardinia, Italy, Mediterranean, Europe

Long line fishing boat in Cross Sound with the Fairweather Mountain Range as backdrop, Southeast Alaska, United States of America, North America

Waves crashing against the shore in Cross Sound, Southeast Alaska, United States of America, North America

View through cave entrance across the clear turquoise waters of Cala Corsara to the pink granite headland of Punta Rossa Corsara, Spargi Island, La Maddalena Archipelago National Park, Sassari, Sardinia, Italy, Mediterranean, Europe

View across clear turquoise water to the fine white sands of the Spiaggia di Punta Rossa Corsara, boat jetty in foreground, Spargi Island, La Maddalena Archipelago National Park, Sassari, Sardinia, Italy, Mediterranean, Europe

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

Glacial iceberg detail from ice calved off the LeConte Glacier, Southeast Alaska, Pacific Ocean, United States of America, North America

Black-legged kittiwake (Rissa tridactyla) feeding on small fish in Tracy Arm, Southeast Alaska, United States of America, North America

Adult brown bear (Ursus arctos) foraging along the shoreline at Pavlof Harbor on Chichagof Island, United States of America, North America

Several species of gull feeding on small baitfish in Snow Pass, Southeast Alaska, United States of America, North America

Northern (Steller) sea lions (Eumetopias jubatus) hauled out at South Marble Island in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Adult female sea otter (Enhydra lutris kenyoni) eating urchins she has gathered off the sea floor in Inian Pass, Southeastern Alaska, Pacific Ocean, United States of America, North America