A fascinating little museum all about the rich history of Peru’s famous plant.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Sleep in a glass pod dangling off a cliff.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

The king of U.S. high points towers over every other peak on the continent.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

Half-hidden by grassy slopes, this striking Spanish colonial fort is now a museum of underwater archaeology.

A bright, colorful telling of the history of Mexico's youngest state.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Iconic red and white plaques show the creative names invented to navigate the city streets.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

Considered by many to be one of the most dangerous highways in Alaska.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

A bizarre house filled with an astounding array of collections.