Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

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

Could this grave be the true resting place of legendary gunfighter "Doc" Holliday? Unclear.

Military and first responders can test their skills in a Foggy Bottom mock station down in Georgia.

Where school buses go to die and be reborn as whimsical works of art.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

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

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

The only subterranean ping pong table in Atlanta.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

The Okefenokee Swamp houses this "incredibobble" tribute to the creator of America’s favorite cartoon possum.

This twisty sign depicts the chain's first logo.

Cryptic messages embedded in the New York City sidewalk.

A spiritual vortex among the red rocks in Sedona.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

The first Russian Orthodox church in North America and an Alaskan landmark.

11,500 year old little girl found buried in an ancient fire pit.

A sarcastic monument threatens to curse any "idiot" who dares remove it.

This Alaska library may be the only one in the country that allows you to check out pieces of taxidermy.

The sculpture's largest spire points directly toward the North Star.