Eccentric concrete mansion and museum designed and built by hand from the inside out.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

A remarkable lava formation encloses a line of Buddhist statues that can't be accurately counted, according to local mythology.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

Mysterious rocks that ring musically when struck.

The so-called "world's shortest river" is actually a window into a cave.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Home to a giant switchblade and one of the world's largest collections of pocket knives, this museum is a cut above the rest.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

When this test site was abandoned, they didn't even bother to take the rocket with them.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A hidden oasis just two minutes from downtown Atlanta.

A slanted tomb honors the faithful, furry companion of the Georgia Tech student body.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

A vast collection of rare, historical, and vintage supercomputers.

A strange history museum, with items accumulated by a pair of globe trotting spies.

Beneath the surface, something slithers. And if you find it, prepare to be slimed and glowing.

The site where Confederate president Jefferson Davis was defeated has been marked with a bust... that leaves that part out.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

A man's home is his castle.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

The only ancient owl carving found east of the Mississippi.