One of the most comprehensive collections of historic Native American culture in the country reframes artifacts as artwork.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

The abandoned coal loading dock is a canvas for unsanctioned art.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

These unusual rooms on wheels are holdovers from the 1960s.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

A huge musical instrument played by the ocean.

Floating man-made island and upscale restaurant.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.