This small museum in a 17th-century building honors three iconic Scottish writers.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

This series of Scottish caves has no clear purpose other than baffling historians.

The building where Mary, Queen of Scots was said to have bathed in white wine.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

The oldest stone house in Paris was built by its most famous alchemist.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A line of blue paint marks the route of the inaugural parade.

The house where John Wilkes Booth conspired with his co-conspirators.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

All that remains of the once-booming chain is a single orange-roofed restaurant.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.