The annual Sculpture by the Sea exhibition in Sydney features dozens of sculptures on Bondi and Tamarama beaches and along the coastal path between them. The free outdoor exhibition, now in its 18th year, stretches for 2km along the coastline and includes work by artists from 16 countries. It runs from 23 October to 9 November 2014. Here: “Breaching” by Michael Greve is displayed during the 2014 Sculptures by the Sea exhibition at Marks Park on October 23, 2014 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images)

Two giant puppets, a deep sea diver and his niece, roam through the streets of Liverpool, northern England, and April 20–23 looking for each other during the Sea Odyssey festival. The free event, organized by the French company Royal de Luxe is one of a series of events marking the 100th anniversary of the sinking of The Titanic. The liner, registered in Liverpool, sank on its maiden voyage to New York on April 15, 1912.

Photo: A giant deep sea diver emerges from the Albert Dock to begin a journey through the streets of Liverpool during the Titanic Sea Odyssey on April 20 in Liverpool, England. (Photo by Christopher Furlong)

An environmental activist adjusts his mask while taking part in “The Dead Sea Swim Challenge”, swimming from the Jordanian to Israeli shore, to draw attention to the ecological threats facing the Dead Sea, in Kibbutz Ein Gedi, Israel November 15, 2016. Swimmers from around the world plunged into the salty waters of the Dead Sea on Tuesday to attempt a seven-hour swim across the fabled lake in a bid to draw attention to its environmental degradation. Wearing protective masks and snorkels, 25 swimmers paddled through the muddy water to attempt the 9-mile (15-kilometer) swim from Jordan to Israel. (Photo by Nir Elias/Reuters)

A peacock walks next to the Monastery of the Holy Apostles, on the shore of the Sea of Galilee, northern Israel November 30, 2016. About 1 million tourists from abroad visit the Sea of Galilee, also known as Lake Tiberias or Kinneret, each year, according to the Israeli Tourism Ministry. (Photo by Ronen Zvulun/Reuters)

Female Naval Academy plebes perform push ups with a twelve foot log on top of them during the annual Sea Trials May 17, 2016 at the Naval Academy in Annapolis, Maryland. The Naval Academy freshman class endures 14 hours of rigorous physical and mental challenges during the annual Sea Trials training exercise as part of the culmination of their freshman year at the academy. (Photo by Win McNamee/Getty Images)

A Loggerhead sea turtle named Gal Handless is moved into a large case at the rescue center for sea turtles as it is transferred to the Istanbul Aquarium on May 29, 2013 in Michmoret, Israel. The turtle was rescued after losing her front fins when caught in a fishing net in 2004. She was rehabilitated at the rescue center but could not be returned back to the sea and now after 9 years she is being transferred to her new home at the Istanbul Aquarium in Turkey. (Photo by Uriel Sinai)

In the water of the Red Sea, seventy meters off the shore of Eilat, a unique underwater attraction was created - the Red Sea Star - the only underwater restaurant and bar in the world.