One of America's first spies started out as a teacher in this little red one-room schoolhouse.

Final resting place of a New Haven urban legend.

This stunning Connecticut mansion is actually just a one-room-deep hoax.

Prank calls to this place, originally the "Tube Bar," inspired the creation of a Simpsons character.

One man's lifelong obsession with death.

This former sewage pumping station is now a fascinating museum.

If it feels like a speakeasy, that’s because it probably was one.

A unusual sanctuary for abused and exotic animals in South Jersey.

These medieval stone-cut Buddhist statues may protect visitors from being fired.

A room hidden behind a swinging shelf in the children's section.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Because sometimes you need to make a batch of frites even when the stores are all closed.

Access to this hidden site of a 14th-century mass suicide is prohibited, unless it is to pray for the dead.

This vessel is believed to be the oldest operating fireboat in the world.

A man throwing a giant severed hand towers over Antwerp’s main square.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

London's largest outsider art museum.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

A hidden alley in urban Baltimore is a haven for graffiti artists.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.