A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

Epicurean and holy traditions converge in what may be the oldest restaurant in Europe.

A museum capturing one of the world's most famous classical composer's battle with hearing loss.

Journey through a mesmerizing array of board games inside this museum.

A silly medieval mural preserved on the side of a Viennese house.

One of the best collections of wax anatomical models in the world.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

Baroque celebration of the end of the Great Plague of Vienna.

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

Handsomely crafted representations of our round planet.

Macabre museum devoted to historical Viennese murders.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The final resting place for the remains of 143 Habsburg royalty.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

A mechanized clock where a man fights off a dragon, crab, and rooster.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

Statue commemorating the use of ether in anesthesia.

One of the indelible moments of the American Revolution took place at this location.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.