This former tuberculosis treatment facility now stands at the center of a public park.

This massive airship factory is so large that it has its own indoor weather.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

A dazzling display of lights and crystals.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

This public space is speckled with the eerie remnants of a defunct amusement park.

Known as "The Dome" this is the world's largest open air geodesic dome.

The largest piece of cut lead crystal adorned a grave for 75 years and is now the shining star of a glass museum.

Faces carved into the cliffs create an otherworldly walking trail.

A circle of giant painted vases in the former pottery capital of the United States.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

Rare recess caves fill this unbelievably beautiful Ohio park.

The angel of death appears to weep black tears at this grave marker.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

One of the few surviving "Wigwam"-themed motels.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

There aren't too many operational funiculars around, but Pittsburgh has two!