The largest open-air contemporary art center in Latin America is a unique experience in the Atlantic Forest.

After millennia of erosion by sand and churning water this Brazilian valley now looks like a lunar fantasy.

A stunning Catholic cathedral built by a curve-loving communist in Brazil’s newly created capital.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Hundreds of toothbrushes hang from a wire fence along a quiet New Zealand road.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Sloth rehabilitation center in the jungle of Costa Rica.

The labyrinthine home of the National Archives of Estonia is an experimental blend of architecture, art, and history.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

A charmingly old-fashioned reminder of the historic building's former life.

These phallic stone spires once served as Tolkien's Paths of the Dead.

Anyone wanting to know what a dwarven mine sounds like need only visit the tunnels of this New Zealand artillery compound.