The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The first memorial dedicated solely to the Black troops who fought for the Union.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

This recreation of a 19th-century dime museum is full of oddities.

Arlington Cemetery exhibit dedicated to death and grieving.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

An ode to filmmaker George A. Romero, who used the mall to film an iconic horror movie.

This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

The aggressively banal name of this underground fortress of bureaucracy does little to evoke its truly surreal existence.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

A diorama of the Civil War, fought by cats.

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

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

According to local myth this cemetery is half evil spirits, half good—split down the middle.