A small stone pillar marks the spot where Mary, Queen of Scots, spent her final hours as a free woman.

An American ghost town hides along a side street in Scotland's capital.

The commemorative stone column conceals a secret laboratory.

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Order cookies baked by cloistered nuns in a 400-year-old monastery.

A mysterious suspended hand greets unsuspecting visitors at the Tower of London.

A local road runs around a memorial to a teenager who died in 1860.

In a crypt underneath this church lies a naturally mummified vicar whose story is surrounded by mystery.

Horse cemetery on the grounds of Blarney Castle.

A solemn memorial in a majestic setting that honors a 1692 tragedy.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

A Swiss magician's vault of oddities.

The world's first transgenic bovine has been preserved at the museum where he spent his final years—though his old stable is now a cafe.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

The remains of a sunken military ship wreck visible through clear water.

Just a few miles from Novalja, a strange geological oddity has left scientists baffled.

Humble beginnings for one of the world's most famous scientists.

On the side of a building, a depiction of the woman who became a local legend by tossing soup out her window.

Legend says this ancient pagan site can cure all ailments.

This wooden chair dates possibly back to the 15th century, and commemorates a local legend.

A quirky mausoleum celebrated once every five years with young dancing girls, widows, a tax man, and more.