Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

When you've got to go, you've got to go.

A church of bones, decorated with 40,000 human skeletons.

This tiny museum's sizable collection is jammed into a former underground public toilet.

Monument to a suicide protesting the Soviet invasion.

Walk through Czech history in Prague's largest graveyard.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

An artistic tribute to the famous singer, just around the corner from where he was born.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

A naturally mummified 2,000-year-old man.

Abstract dinosaur models in London.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The remains of Crystal Palace Great Exhibition of 1851.

A cluttered and astounding collection of antiquities and curiosities.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

One part local history, 99 parts gruesome haunted house.