Inside this medieval church resides a unique set of murals.

One of the city's few vendors selling the Sierra Norte's ancestral beverage lies within a hidden farmers market.

Fiery-hot river rocks make soup sizzle at this restaurant showcasing indigenous Chinantec cuisine.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A subterranean haunt where wine and homemade biscottis are always on the menu.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

A remarkably opulent mansion with a tragic history.

These ancient giraffes are the largest known animal petroglyphs in the world.

At this Oaxaca contest, artists turn purple produce into stunning depictions of saints, buildings, and La Pietà.

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

A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

This Scottish manor house is a lush relic from the life of a literary great.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

A remarkably well preserved tower dating all the way back to the Iron Age.