1387-589 - A healthy coral reef thrives in Komodo National Park, Indonesia.

1387-588 - A healthy coral reef thrives in Komodo National Park, Indonesia.

1387-585 - A healthy coral reef thrives in Komodo National Park, Indonesia.

1387-583 - A greater blue-ring octopus, Hapalochlaena lunulata, crawls across a coral reef in Komodo National Park, Indonesia. There are several blue-ring octopus species and all of them are extremely venomous.

1387-580 - Detail of a reef-building coral colony growing on a healthy reef in Komodo National Park, Indonesia.

1387-578 - A black manta ray, Mobula alfredi, visits a cleaning station on a reef in Komodo National Park, Indonesia.

1387-579 - A spotted porcelain crab, Neopetrolisthes maculatus, snuggles into its host anemone in Komodo National Park, Indonesia.

1387-574 - Detail of a reef-building coral colony, Favia sp., growing on a healthy reef in Komodo National Park, Indonesia.

1387-572 - A healthy coral reef thrives in Komodo National Park, Indonesia.

1387-571 - Detail of a reef-building coral colony, Favia sp., growing on a healthy reef in Komodo National Park, Indonesia.

1387-569 - Detail of a colonial tunicate growing on a coral reef in Komodo National Park, Indonesia.

1387-566 - A black manta ray, Mobula alfredi, visits a cleaning station on a reef in Komodo National Park, Indonesia.

1387-564 - A colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by in Komodo National Park, Indonesia.

1387-565 - A beautiful nudibranch, Chromodoris coi, crawls across the seafloor in Komodo National Park, Indonesia.

1387-562 - Detail of a bulbed anemone, Entacmaea quadricolor, on a coral reef in Komodo National Park, Indonesia.

1387-561 - A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.

1387-560 - A colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by in Komodo National Park, Indonesia.

1387-559 - A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.

1387-555 - A well-camouflaged flasher scorpionfish, Scorpaenopsis macrochir, lies on a black sand slope just outside of Komodo National Park, Indonesia.

1387-552 - A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.

1387-553 - A colorful ornate ghost pipefish, Solenostomus paradoxus, hovers over a coral reef in Komodo National Park, Indonesia.

83-13353 - Sulphur smoke atop this active 1784m Pacific Ring of Fire volcano. Mount Karangetang, Siau, Sangihe Islands, Sulawesi, Indonesia

83-13352 - Smoking peak of this active 1784m Pacific Ring of Fire volcano. Mount Karangetang, Siau, Sangihe Islands, Sulawesi, Indonesia

83-13324 - Smoking Karangetang, an active Pacific Ring of Fire volcano, Karangetang, Siau Island, Sangihe Archipelago, Sulawesi, Indonesia, Southeast Asia, Asia

1113-103896 - Street artist jumping through a ring of fire, The Rocks, Sydney, NSW, Australia

1178-26722 - Hand of bride holding candle at wedding

857-95813 - Empty Ring Road highway with black mountain in background, Borgarbyggd, Iceland

857-95808 - Empty Ring Road highway winding across mountain valley, Hringvegur, Iceland

857-95801 - An over the shoulder viw of a young man driving the Ring Road as the sun begins to set, in North Iceland.

857-95795 - An elevated view of Stokksnes beach, with its movie set Viking village in the middle, green and orange autumn colors, the ocean and the mountains Vesturhorn and Vestrahorn, Stokksnes, East Iceland, Iceland

857-95800 - Silhouettes of four people standing under Ring Road bridge over Jokulsa a Dal river, Hringvegur, Iceland

1113-96435 - Guests sitting around the camp fire called 'Ring of Fire' in the garden of Hotel Areias do Seixo, Povoa de Penafirme, A-dos-Cunhados, Costa de Prata, Portugal

816-5769 - Fire tower on Susaninskaya Square, Kostroma, Golden Ring, Russia, Europe

832-302026 - Olympic Flame, Olympic Torch, Olympic Museum, Lausanne, Switzerland, Europe

832-283140 - Smoke coming from Mt. Augustine Volcano (Ring of Fire) at sunset, picture taken from ca 140 km away, Kenai Peninsula, Alaska, USA

832-198518 - Olympia, Olympic fire on the Bergisel hill, Innsbruck, Tyrol, Austria, Europe

1113-59136 - Street artist jumping through a ring of fire, The Rocks, Sydney, NSW, Australia

1116-32192 - Hawaii, Big Island, Hawaii Volcanoes National Park, Kilauea Volcano, Patterns of molten lava.