The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The world's most remote airport.

This large round boulder is said to emit spiritual power, but it may just be magnets.

The largest stone moai on Rapa Nui.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

An automaton perched above an classic clock and watch store

Order cookies baked by cloistered nuns in a 400-year-old monastery.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Spain's largest bullring offers a unique glimpse at architecture and history.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

Eerie ruins of an abandoned medieval fishing village crumble atop an unforgiving stretch of earth.