Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

Comprehensive gaming collection of over 30,000 electronic games and consoles.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

One man's lifelong collection of 10,000 rare steins tells the story of beer drinking from 1350 to today.

A museum dedicated exclusively to aircraft used in the military.

This sprawling museum holds one man's giant collection of real tanks.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

A small Richmond island dotted with the remnants of hundreds of years of history.

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

The skeletal white beams stand as a monument to religious dissent.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

An alternate history park where the Union Army loses the war... to dinosaurs.

Exact replica of the ancient monument, but much, much lighter.

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

Outsider art meets paleontology at this roadside reptile repository.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

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

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.