Water

This protected area in Lake Huron contains some of the world’s best-preserved shipwrecks.

A flooded Mexican cave that hides a river beneath the water.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Nature took her revenge on the "Wickedest City in the World."

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

Some islands... they come, they go, especially on Lake Travis.

Thanks to the building of a life-giving reservoir, part of the Great Wall of China is now a dive site.

A plaque installed underwater marks the fall of a royal family from an imagined parallel universe—part of a globe-spanning art project.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

Each year melting snow turns these Austrian hiking trails into scuba zones.

Underwater restaurant at the coral reefs of Eilat.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

A floating underwater hotel, created by a Swedish artist.

A massive underwater sinkhole made famous by Jacques Cousteau.

An underwater restaurant, surrounded by a coral reef.

An underwater city for the dead.