Arlington Cemetery exhibit dedicated to death and grieving.

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 historic furnace was once used to produce cannonballs during the Civil War.

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

The site of America's first commercial oil well essentially disappeared after the town went bust.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

Where the oil industry began.

Where the "World Pinball Champion” is crowned.

Locals call this magical moss-covered walkway the "Emerald Path."

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

The graffitied ruins stand hidden within the Pennsylvania woods.

This secluded walking trail is a hidden gem of a Pittsburgh park.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

A field of nothing but boulders which resembles a giant's gravel driveway.