An ancient city exhumed from the depths of the ocean.

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

The only theatre in the world constructed specifically for sound movement.

This woodland architectural installation acts as a camera obscura for the heavens.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Take a drunken tour inside the world's largest known geode.

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.

A spectacular cave and a beguiling lake.

An isolated dive site teeming with cnidarians.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Dig for your own trilobites in this goldmine of invertebrates.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A fiery crater has been burning in the Karakum Desert since 1971.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A gargantuan crystal kingdom.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A gallery of underwater art that can be visited by man and fish alike.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Geothermal waterfalls in Tuscany.

Architectureal fantasy quarter of Rome.