In the middle of this historic colonial city resides a modernist government building known as the UFO.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

Learn about the history and craftsmanship of carousels inside this museum located in a former post office.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

Colonial architecture meets urban art in this sprawling open-air gallery.

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

It would take you approximately an hour and a half to walk to the end of Mexico's largest pier.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

The ruins of an abandoned church mingle with the graves at Oaxaca’s General Cemetery.

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

It was dubbed the "Garden of Plates" because it's covered in pieces of discarded dishes.

This baroque wonder is filled with a trove of artistic treasures.

The ruins of an ancient pyramid built by the mysterious Chupícuaro civilization.

A beautiful example of 18th-century engineering still standing tall.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

This fairytale-like structure is the last turf church ever constructed in Iceland.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This graveyard boasts a medley of diverse and imaginative funeral architecture.

A beloved Chicago music venue offering cold beer and lots of “Friendly."