These ancient rock graves were featured on the cover of a Black Sabbath compilation album.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

Brussels' favorite peeing boy has a sister.

When you're a great Russian Tsar, even your vomit gets a statue.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

A stone copper was sculpted on the wall of the Carlisle Cathedral to honor a local hero.

The ritual has been performed uninterrupted for nearly 700 years.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

The cedar tree in Highgate Cemetery earned its title by accident.

Eighty million natural history specimens call this gargantuan museum home.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

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

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

Much of what constituted mid-century Liverpool now litters a beach outside of town.