This former mining town was named the most toxic town in America.

An oil baron's wild paradise and the winner of an ill-fated air race.

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

This abandoned prison castle has become an imposing gallery of graffiti art.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.

Community bookshelf of 25-foot-tall book spines.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

Why settle for barbecue chips when you can get actual barbecue?

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

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

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A crumbling hospital from the 1850s on Roosevelt Island.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A celebration of capitalism in Midtown.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Elevated freight railway turned wildly successful urban park.

New York City's smallest piece of private property.

A room in New York City that contains 250 cubic yards of dirt.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Order scoops of pandan, lychee, and black sesame at this family-run institution.