These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A serene garden path lined with 36 haiku stamped into clay stones.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

A secret greenspace hides atop a Capitol parking garage.

Also known as the Founding Church of Scientology.

This unassuming passageway played a key role in one of the most important events in U.S. history.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

When life gave this firefighter a forest fire, he made a rough-hewn sculpture park using a chainsaw.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

A museum devoted entirely to the rattlesnakes and snake-related art.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

A sculpture of a flying hawk made from colorful car doors.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Legends surround this jagged rock formation in the New Mexico desert.

Once a year, at exactly 11:11 a.m., this monument comes to life.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

The fifth-longest natural arch in the world, and the longest outside China.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

This ghost town was once a cult-like religious utopian settlement.