Puget Sound in Seattle was created by the repeated advance and retreat of large continental ice sheets over millions of years, which scoured away the surface of the land.
Nha Trang is located on Vietnam’s South Central Coast, at the foot of the Annamite Mountains with extensive coral reefs surrounding its coastline.
Ha Long Bay in Vietnam is a UNESCO World Heritage Site made up of over 3,000 karst limestone islands.
King Sound has the greatest tidal range in Australia and one of the greatest in the world, with high tides reaching up to 12 metres.
The Sea of Azov is home to the longest spit in the world: the Arabat Spit on the sea’s southwest coast is 112km long and between 200m and 8km wide.
Surfing was a central part of ancient Polynesian culture in Hawaii, using specially constructed surfboards made of restructured canoes or wooden planks.