An Idaho legend carved out a cave village with his own two hands.

A black cottonwood gets a second life as a home for books.

A nearly 200-year-old Catholic mission built to serve the native people of Idaho.

This playground sculpture of an icon from the past is dedicated to the children of the future.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

This 1850s mansion reveals how rich Americans lived in the Victorian era.

The shared home of a utopian commune that practiced "free love" a century before the hippies.

The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

Remember and reflect at this 9/11 memorial site.

Witness these plains giants that nearly became extinct in the late 1800s.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

Discover these whole-house works of art in Pittsburgh’s Troy Hill neighborhood.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

A bit of retro transportation flair preserved in the world's largest department store.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.