These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

This mysterious twin turboprop Grumman G-159 covered in graffiti has spent a decade and a half abandoned.

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

This twisty sign depicts the chain's first logo.

An eerie site of reverence for those who have completed an epic journey.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

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

This kitschy tavern is also home to rare early editions of "Treasure Island."

A white oak with property rights.

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

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

Bad farming practices caused this unnatural natural wonder.

Would you like a sleeper hold with that?

The Tallahassee Airport serves over half a million passengers a year and is home to some permanent residents too.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

A failed, un-built suburb that has been going feral for decades.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A building so large that it has its own weather.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.