A tongue-in-cheek arcade where the games are based on everyday life.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

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

A memorial for public executions that dates back to the 14th century.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.

A standing relief of a Norman knight whose posture marks him as a Crusader.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

A particularly disconcerting tribute to Irish martyrs.

One of Ireland's most infamous prisons for rebels including men, women and children.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

The site of the first daylight, peacetime bank robbery by the James gang.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

This Costa Rican topiary park is a surreal garden of unearthly delights.

A monument to the art of slicing people open.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This Art Deco airport was once deemed “the air hub of the Americas.”

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A psychedelic labyrinth on the San Francisco bay.