Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

France's most famous cemetery, with some of its most curious tombs.

This bridge was constructed from the rubble of the infamous Bastille.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

This demon atop the Notre-Dame de Paris looks utterly bored.

Europe's first floating restaurant is home to a hilarious legend.

Amsterdam's Red Light District leaves little to the imagination.

The hill that gave the Massachusett tribe, and later the state, its name.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

One of the oldest carousels in the United States is still running in the coastal village of Watch Hill.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The oldest continuously inhabited street in America.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

A recreated sign from the movie Jumanji has become a makeshift tribute to the film's late star.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The largest collection of historic military firearms in the United States.