Theme park featuring miniature replicas of European monuments.

Lavish royal estate punctuated with heated greenhouses.

This subterranean studio is filled with fascinating kinetic art.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A floating cat sanctuary on an Amsterdam canal.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The storefront of a ramshackle Parisian puppet theater.

An odd museum dedicated to French fakes.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

The history of radiation is on safe display at the foot of a radiation science laboratory.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

The topiary maze at the Habsburg hunting lodge.

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

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

The final resting place of many of Germany's most famous communists.

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

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

An impressive collection of dollhouses and an homage to the frog-leg canning industry.

A dollhouse full of taxidermy rodents, each one handcrafted and given a sordid past.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.