This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

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

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

An unassuming secret door once led to a legendary watering hole.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

The first artificial white water river course in North America cuts right through an Indiana city.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

New York City's smallest piece of private property.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

The last bastion of Roman presence north of the Alps looms over a German town.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.