Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The colonial city's social history is reflected in its fanciful door knockers.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

A celebration of Colombia’s premier contemporary artist.

This tiny shop has been serving traditional tamales for more than 200 years.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

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

Where once there was a train station bathroom, there is now this German burger joint.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

The most visited, and possibly most controversial, museum in Germany.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Fantastic views and thousands of love locks.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

This amazingly preserved Gold Rush town is a historian's dream.

A classic carnival ride that was carved to be untouchable.

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

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

This devil-dancing ceremony now celebrates a miraculous image of the Virgin Mary that appeared to a modern-day Robin Hood in a mineshaft.

This giant Christ took first place in South America's religious arms race.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

The world's tallest statue of an American hero.