Mysterious stone tower featured in many alternative histories of the New World.

The most photographed house in Maine looks good enough to eat.

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

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The eccentric mansion of one the most popular horror authors of modern times.

A miniature world of concrete and stone in Springfield, Ohio.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

The Guardian of Tallinn.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

This amazingly preserved Doric temple was abandoned before it was ever completed.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

The world's most active stratovolcano is almost always erupting.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

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

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.