A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

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

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A semi-scholarly approach to sex.

Commemorating the spot where the famous scientist fed his pigeons.

The "lovely red Vega" of the legendary record-settling pilot.

The most decorated dog of World War I is preserved in the Smithsonian.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

This iconic science fiction house still looks like something from the future.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A technicolor place of worship for Elevationists.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

The celebrated eyesore created by starry-eyed sweethearts.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

An unusual round church in London with a Templar past.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Japanese national treasure originally built in 593 CE.