These fantastically named natural pools look like something out of a Scottish myth.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

This former rail stop in Utah was abandoned, repopulated by some nostalgic friends, and now is home to a single DIY aviator who lives in a hangar.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Incredible sculptures inspired by obscure passages from the Bible.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Pyramid home to an obscure religious group that practices modern mummification.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

A sculpture for the sun and stars, created by Nancy Holt.

A house carved into a rock in the 1940s.

This historic railway museum may have lost its passengers but not its love for trains.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

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

A faux European lane smack dab in downtown L.A.

The remains of what was once the world's steepest passenger funicular.

A celebration of capitalism in Midtown.

Hundreds of antique bank vault locks on display in New York City.

A very classy 1920s-era bar right in Grand Central Station.

The pioneering photographer's prints are immortalized inside her childhood home.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.