This historic national park is covered in the stunning ruins of red rock pueblos.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Historic medieval fortified city in southwest France.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A swing to dangle you off the very edge.

Two thirds of this Montreal neon icon has survived to flash another day.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

The colorful, smiling concrete silos of Vancouver.

The collection of signage remembers the midcentury pushback against the new neon light.

Surprisingly Delicious Asian-Style Hot Dogs.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Every animal in the torah taxidermied and crammed into a Brooklyn townhouse.

The legendary building that needed ghostly approval before being built.

This cluttered cantina is famed for its cheese-spiked, raisin-flavored liqueur.

This beautiful and unmissable little museum is full of fascinating artifacts from Mesoamerica's great civilizations.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

The only castle in North America to ever house European sovereigns.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.