This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The first museum in the world devoted to sexual gadgetry.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Decrepit Victorian public lift is a white-knuckle ride.

Pop culture has helped to keep this iconic British building from being destroyed.

A quiet memorial to those who died saving others in the heart of the City of London.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Eighty million natural history specimens call this gargantuan museum home.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The final resting place to 300 Victorian-era pets hides inside the city park.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Abstract dinosaur models in London.

A student driver's nightmare.

The remains of Crystal Palace Great Exhibition of 1851.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

A historic house left in "dramatic still life."

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.