Tucked in the back of this amazing antique store is an important piece of medical history.

Historic medieval fortified city in southwest France.

100-windowed castle turned art gallery, built by one dedicated mason.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Montreal's colorful subway station shows its support of the local LGBT+ community.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A semi-scholarly approach to sex.

A terrific purveyor of natural history objects and curios.

Salute the leader of the proletariat.

Yo, Adrian!

The first American department store, and home to the largest operating musical instrument in the world.

Step inside Lucy, the world's largest "elephant."

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Bizarre Cavern.

A Civil War Museum with some notable medical antiques.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A super-sized promotional trick that is now a D.C. landmark.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

The site of the climactic scene from the classic horror film is now a historic landmark.

Home to items never before seen by the public.