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

2300-year-old Roman road connecting the empire.

Italian cave with exceptional acoustics and an unsavory history.

Home to over 200,000 artifacts, this museum attempts to guide visitors through the ancient history of Beijing and Imperial China.

Enormous burial mounds of ancient emperors.

Museum about life, death, and cannibalism in the Stone Age.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

An incarceration museum on the spot of possibly the oldest prison in England.

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

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

Hear the quietest sound from across the dome.

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

Eighty million natural history specimens call this gargantuan museum home.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

Every hour on the hour a naked heroine and her leering foil appear from this giant cuckoo clock.

Hidden in plain sight, this creepy sculpture watches from above.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.