Harlequin costumes, signed scripts, and armor-wearing puppets.

One of the most important yet well-hidden museums dedicated to the history of medicine.

A huge enchanting public park just outside the ancient walls of Rome.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

A hospital where antique dolls are given new life.

A fairy tale castle in modern Rome.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The underground sanctuary of a mysterious ancient cult.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Architectureal fantasy quarter of Rome.

Amsterdam's Red Light District leaves little to the imagination.

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

This subterranean studio is filled with fascinating kinetic art.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Museum preserving torture methods from the past.

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

A unique collection of gilded age mechanical pianos.

This basement museum explores the art and artistry of fascism.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

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.