This floating cinema brings new meaning to the phrase "going out" to the movies.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Community owned and operated, this property is home to a diverse set of nudists.

Geothermal waterfalls in Tuscany.

The only pollutant in the clear blue water is sunscreen.

Dramatic river bend surrounds a natural red-rocked pedestal.

Some of the clearest water anywhere in the world.

Hollowed out cedar log tubs set in an ancient towering forest.

Once a dumping spot, now a park with a kayak launch.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

England's most notorious suicide spot.

A beautiful geyser under environmental threat.

A limestone wonderland of water and subterranean secrets.

Stunning wetlands ablaze with pink lotus flowers.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

An eclectic mix of influences rot together in harmony in this India necropolis.

A single tree's 2,800 aerial roots give the appearance of a complete forest.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

A part of the world's largest marsh seems to be growing bright red Martian grass.

Siddhartha Gautama sat here and received enlightenment.

Sacred Buddhist home of some spiritual monkeys.

A fifth-century temple improbably built into the side of a cliff.

The tallest stationary dunes on Earth also happen to sing.