Scala dei Turchi, Agrigento, Sicily, Italy

Adult Peale's Dolphin (Lagenorhynchus australis) bow-riding Zodiacs on New Island in the Falkland Islands

Adult Peale's Dolphin (Lagenorhynchus australis) bow-riding Zodiacs on New Island in the Falkland Islands

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Lobster pots, Tingwall, near Kirkwall, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

View of beach bar and sea at sunset in Thassos Town, Thassos, Aegean Sea, Greek Islands, Greece, Europe

View of Tempozan Harbor Village and Osaka Aquarium Kaiyukan, Kaigandori, Minato Ward, Osaka, Japan

Magellanic penguins (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

V&A (Victoria and Alfred) Waterfront and Table Mountain, Cape Town, Western Cape Province, South Africa, Africa

Adult California gray whale (Eschrictius robustus), near boat in San Ignacio Lagoon, Baja California, Mexico, North America

View of beach bar and sea in Thassos Town, Thassos, Aegean Sea, Greek Islands, Greece, Europe

Climber bouldering near St. Ives, Cornwall, England, United Kingdom

Hector's dolphins (Cephalorhynchus hectori) by swimmer. Akaroa, New Zealand.

Thrill seekers experience cage diving with Galapagos sharks, Carcharhinus galapagensis, North shore, Oahu, Hawaii, USA

Whitetip reef shark, Triaenodon obesus, Namu atoll, Marshall Islands (N. Pacific).

Red (Lace) coral, Distichopora violacea, feather stars, and juvenile gray reef shark, Carcharhinus amblyrhynchos, Ailuk atoll, Marshall Islands, Pacific

Parade of sailing ships during Kiel Week 2006, Kiel Fjord, Schleswig-Holstein, Germany

Winderjammer Parade at Kieler Woche 2008 with German sail training vessel and command ship Marine Gorch Fock and further traditional sailing vessels, Kiel Fjord, Schleswig-Holstein, Germany, Europe

Winderjammer Parade at Kieler Woche 2008 with German sail training vessel and command ship Marine Gorch Fock and further traditional sailing vessels, Kiel Fjord, Schleswig-Holstein, Germany, Europe

Snorkeling in Shark Alley and Hol Chan Marine Reserve, Ambergris Cay, Belize

Hawaii, Maui, Atlantis Submarine passes small coral bed with sea life.