A warm desert spring holds one of the rarest species on earth.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

A town pays homage to its namesake.

The underground hideout of a Japanese soldier for whom World War II ended in 1972.

A beautiful waterway tucked in the corner of a power plant.

This jail once controlled by the Japanese military now sits abandoned on a remote Pacific island.

This unassuming layer of clay boasts an out-of-this-world origin story.

The fading, forgotten remains of a once bright and booming factory.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

At this Wisconsin museum there are real ducks, fake ducks, duck calls and a Duck Blind.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

Bits and pieces from the ill-fated Donner Party's winter cabins.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

The home of famed war correspondent Ernie Pyle is now a library and museum dedicated to his memory.

The snowbirds here are circus sideshow performers.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

An acoustic anomaly with a mysterious cause.