This former insane asylum now holds a pathological anatomy museum.

Gambling, boozing, and yodeling animals cover the walls of this dive bar cum natural history museum.

London's most popular recording studio, located in the capital's East End, runs partly on solar power and has played host to some of the world's biggest acts.

A very big rock just plopped down in the New England woods.

The house that took a plunge into the facade of a museum.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The Habsburgs' royal collections of art and wonders.

Handsomely crafted representations of our round planet.

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

The beautiful baroque library of the Hapsburg empire.

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

Macabre museum devoted to historical Viennese murders.

A spherical "micro-nation" in the heart of Vienna.

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

Museum devoted to the artificial language of Esperanto.

"Medieval" castle built in the mid-20th century by one family.

Hungarian mummies in beautiful painted coffins.

A Hungarian pharmacy museum with a box full of mummy powder.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Museum dedicated to the terror regimes of Hungary.

A museum in the childhood house of a medical pioneer.

A Hungarian optometrist's charming collection of Asian art and curiosities.

A fake Transylvanian castle houses a cathedral of antlers.

Electrical curiosity museum housed in an old transformer station.