An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

A crumbling hospital from the 1850s on Roosevelt Island.

A terrific purveyor of natural history objects and curios.

A 125-meter long "tribute to the Brazilian people."

Quito's historic, main square dates back to the 16th century.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

A swing to dangle you off the very edge.

A turquoise lake within a volcanic crater.

The soaring gondola lines form the longest aerial cable car system in the world.

Death road of Bolivia.

A desert that evokes the surreal.

A valley of unique erosion patterns lends to a view like nothing on Earth.

This red lake 4,000 meters above sea level is home to rare flamingos.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A small museum in the Bay of Pigs gives the Cuban perspective on the famously failed U.S. invasion.

Neo-cave art on the macro scale.

These roaring primates were considered a divine creature in the cosmology of the Maya.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.