Four abandoned towers hidden above the Douglas fir forest in Washington.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

Former farm staffed by mental patients is now a public park.

Bonsai trees that are up to a thousand years old.

Sweet or salty, super hot or mixed into beer, this is the holy land for all things licorice.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

Mysterious ancient petroglyphs carved on a glacial boulder at the tip of Bainbridge Island.

This Cold War missile launch site has been abandoned for 40 years.

This iconic science fiction house still looks like something from the future.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This massive home was constructed by one of the greatest conservationists in Colorado history.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

This unassuming building houses one of the world's most extensive collections of cars created by automotive legend Carroll Shelby.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

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

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

These pretty kitties killed and ate as many as 135 railway workers.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.