The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Where beer lovers can literally immerse themselves in beer.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

The world's largest collection of witchcraft regalia.

This small museum displays a collection of outsider art and scale models of past "treatments" for mental illness.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

A typical crusty old museum this isn't.

A museum honoring Germany’s cucumber mecca offers a great dill of gherkin history.

Wax models of disease and deformity are on display at this German medical museum.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

Located in the house where Gustave Flaubert was born, this odd museum has more to do with medical grotesquery than the Western novel.

The personal library of the founder of modern neurology is open to visitors.

One woman's decades-long obsession with the "La Fée Verte."

This modern monument to pagan belief looks like it was transported straight from ancient times.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Staves, storm-calling, and of course, necropants.