Puppet theater and museum holding a collection of more than 300.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Blitzkrieg bop your way through Berlin's Ramones Museum.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

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

Museum devoted to the artificial language of Esperanto.

The Habsburgs' royal collections of art and wonders.

A history of heat is on display at this unique Austrian museum.

Handsomely crafted representations of our round planet.

Macabre museum devoted to historical Viennese murders.

The solemn exterior conceals an opulent interior of this 17th century church.

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

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

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

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The beautiful baroque library of the Hapsburg empire.

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

A museum of magic with a Sadist past.

A museum of carnival attractions where you are invited to ride the rides.

France's national museum of scientific and industrial instruments.

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

This basement museum explores the art and artistry of fascism.

The world's only museum devoted to the wonders of fluorescence.