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

One of the last Jazz Age "Wonder Theaters" in New York City.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Visit this playground of waterfalls, caves and sinkholes.

New Orleans' famous cemetery, located on the site of a former race track.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A house carved into a rock in the 1940s.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A ghost town at the airport is now a refuge for blue butterflies.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A castle built by an eccentric medieval enthusiast in suburban Ohio.