An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Medical history museum featuring a lovely doctor's office from the 1800s.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Where beautiful signs live on forever.

An abandoned relic of the city's failed experiment with below ground transit.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

These abandoned grain silos and tunnels are an urban exploration dream.