Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

A seemingly endless landscape of pure salt stretches far across Bolivia.

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

The rocks in this arid basin leave trails of movement behind them.

A geological bull's-eye visible from outer space.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The world's largest bioluminescent area was undiscovered by science until 2005.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A beautiful oasis town dating back to the Roman period still serves as reprieve from the brutal summer sun in Libya.

Historic psychiatric asylum and most-filmed location in the Great White North.

Meet the world's longest tapeworm in a collection that really gets under your skin.

Rippling sand dunes frozen in the Arizona rock.

A gargantuan crystal kingdom.

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

Modern Japanese museum is buried by snow annually.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Olfactory delights in San Francisco's Botanical Gardens.