An abandoned coal mine reached by a steep hike.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Along a busy beachfront strip you may hear Frank Sinatra singing from one boardwalk home.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Paths are maintained, but trees have taken over plots.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

An eponymous directional signpost erected by the first president of the United States.

Every last book in this bookstore is signed by the author.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

An abandoned town is hidden in Great Smoky Mountains National Park.

This dramatic rail curve was once the target of a failed Nazi attack.

No one knows who painted this mysterious mural in a Penn State basement.

Journey through a collection of over 35,000 Halloween items from all generations.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

A mysterious light of unknown origin on the backroads of Missouri.

Outsider Art Community.

A Wild West jailhouse that slid down the mountainside.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Pennsylvanian mass grave and possibly mass murder.