This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Live long and prosper in Tennessee.

More than five miles of underground passageways.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

A small Richmond island dotted with the remnants of hundreds of years of history.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

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."

Cozy basement bar sports an inventory of over 2,000 beers.

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

Lavish royal estate punctuated with heated greenhouses.

Only museum in the world devoted to bookbinding and book arts holds a permanent collection representing five centuries.

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

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

The first green space constructed on an elevated viaduct.

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

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

Perfume museum and library.

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