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

The Pope’s secret escape route.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Beautiful views and Roman-style statues on the Italian coast.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Secret refuge and museum of the Duke of Florence.

Medieval torture techniques with a modern conscience.

Venice's island of the dead.

Experience a charming 1930's version of "infotainment."

A multi-storied adobe complex has been inhabited for more than a thousand years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Legends surround this jagged rock formation in the New Mexico desert.

The highest bridge in America was built for an almost unnervingly small amount of money.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Sculptures, jams, and the wild west collide at this folksy retreat.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

The historic home still shows the scars from a little run-in with the British in 1813.