The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Illegal drag racing two stories beneath Chicago’s streets.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

The only Bahá'í house of worship in North America and one of only a handful worldwide.

In Chicago, an empty relic of a time when neighborhood zoos were more common.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This castle tower in Wales leans at a steeper angle than the Leaning Tower of Pisa.

The Bristol Camera Obscura housed in an ancient windmill.

Bristol’s narrowest street is a ‘Hidden Gem’ for stunning street art

After protestors toppled a statue of a 17th-century slave trader, the pedestal where it once stood remains unoccupied.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

Originally made for a film, this replica plane hangs from the ceiling in the front hall of the Bristol Museum and Art Gallery

Banksy's image of a naked man dangling from the window of a sex health clinic.

Installed in 1938, this was the first moving neon sign in Bristol

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

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

The site of Paul Revere's historic two lantern warning.

You can dig for your own 52-million-year-old fish fossils.

One of America's largest retail chains got its start in one of its most remote rural destinations.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.