This expansive bridge in the Canadian wilderness was originally just built for friends.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Monasteries on rock pillars, once accessible only by frayed ropes.

The "Prussian Versailles" that is as glorious today as when it was built.

This historic stone bridge has an entire neighborhood clinging to its sides.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

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

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.