This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This free, take-a-book shop seems like a trick but isn't.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

This tiny abode has been covered in the art of the little old lady who made her life and living there.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

What looks like a normal building is really a hollow facade hiding a subway vent.

This bridge was constructed from the rubble of the infamous Bastille.

One of the oldest masonic museums in Paris.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

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

The first green space constructed on an elevated viaduct.

One of the greatest maze designer’s greatest mazes.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A subterranean shelter remains intact under a busy Paris railway station.

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

This Parisian fountain is a little bit fantasy and a little bit nightclub.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

A mechanized clock where a man fights off a dragon, crab, and rooster.