A museum celebrating the Victorian obsession with hair art.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

This New York estate was designed to resemble a medieval Scottish castle.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

More gold than anywhere else, ever.

One of only two commuter aerial tramways in the United States.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

New York's oldest magic store.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A terrific purveyor of natural history objects and curios.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

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

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

The beloved home to all publications indie, erotic, and punky.

An eccentric park and pool.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

First planned industrial community in the United States.