Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Home to items never before seen by the public.

The United States Capitol's former columns still stand.

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

Tour the oldest family-owned cigar-rolling factory in the country—then learn how to roll your own.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

The camera-toting gargoyle juts out from the exterior of a Gothic cathedral.

This 12-seat movie theater is the smallest in the world.

History is hiding at the Morean Center for Clay.

From printing money to live music, this Beaux-Arts style building has had many identities over the last century.

A creative deviation in this post office's design was once a source of controversy.

You’ll feel like you’ve gone through the looking glass at this contemporary art museum filled with glass sculptures of every size, shape, and color.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Smallest house in Toronto sits on a lot meant to be just wide enough for cars to drive through.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

Dine on ceviche tacos in the sea at this floating restaurant only accessible by boat.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This bronze statue was dedicated to a 1966 Beatles hit.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

Pyramid shaped monument with a tall tale attached.