17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The final resting place of soldiers' loyal canine companions.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This Scottish burial tomb once held hundreds of ancient eagle bones.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Enter the world under the hill at this ancient UK burial chamber.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

This shop specializes in oddities and Victorian-inspired wonders.

Come for the flowers, stay for the bats!

Beautiful views and Roman-style statues on the Italian coast.

Erotic art covers the walls of the largest ancient pleasure palace.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A cluttered and astounding collection of antiquities and curiosities.

The curios of pharmacist and collector Henry Wellcome.

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