Medical history with an amazing, if frighting, collection of wax diseases on display.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

The Devil’s own choice when he needs a drink in Brussels.

Climb inside an iron crystal magnified 165 billion times its normal size.

Lavish royal estate punctuated with heated greenhouses.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

An electrical pylon under whose legs a normal gauge train can run.

An abandoned underground bathroom is now a space for public art.

A varied collection of brains in alcohol.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

A tribute to a future time when gravity is conquered.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

One of the largest burial mounds in the Netherlands and Belgium.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.