Svartifoss waterfall in the Skaftafell National Park, Iceland, Polar Regions

Provo Falls, Wasatch-Cache National Forest, Utah, United States of America, North America

Tolmer Falls with deep plunge pool, Litchfield National Park, near Darwin, Northern Territory, Australia, Pacific

Svartifoss waterfall in the Skaftafell National Park, Iceland, Polar Regions

The Falls of Acharn near loch Tay, Scotland, UK.

A hill walker taking a dip in a mountsain stream above Glen Nevis, Scotland, United Kingdom, Europe

A man leaps into a plunge pool below a waterfall on the side of Ben Starav, a Munro in the Highlands, Scotland, United Kingdom, Europe

A waterfall and plunge pool on the side of Ben Starav, a Munro in the Highlands, Scotland, United Kingdom, Europe

A waterfall and plunge pool on the side of Ben Starav, a Munro in the Highlands, Scotland, United Kingdom, Europe

Little boy with swimming goggles, jumping into swimming pool, underwater, Ukraine, Europe

Face Plunge

Kirkjufellsfoss Falls, Grundarfjordur, Snaefellsnes, Iceland

Family enjoying swimming in a natural pool under a plunging waterfall along the Road to Hana, Maui, Hawaii, United States of America

WEST INDIES Dominica Emerald Pool Waterfall and plunge pool in thick tropical rainforest.