The final resting place of a 19th-century gold prospector and convicted cannibal.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

A place to eat for on-the-run agents and espionage enthusiasts.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.

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

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

Orthodox church partially financed by Tsar Nicolas II.

First planned industrial community in the United States.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A lush green oasis in the middle of Chicago.

A small store filled with animal skulls and other curiosities.

This eclectic collection documents the wild legacies of "America's Wickedest Street."

This museum offers an actual time machine back through Colorado's past.

An innovative local park built from an abandoned sewage treatment plant.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

"All Mountains - All The Time."

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

Chicago’s incendiary role in the labor movement.

Calidum et Deliciose Succosum!

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This super steep hike ascends 2,000 feet in less than a mile.