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

An Irish Memorial commemorating those who perished due to potato blight.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

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.

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

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

Arlington Cemetery exhibit dedicated to death and grieving.

Century-old shop, specializing in Occult products.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

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

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

Pennsylvanian mass grave and possibly mass murder.

A toxic ghost town sitting atop a massive coal fire.

A monument to the Mohawk people stands along an old Native American trade route.

A unique columnar residence built in the 19th century.

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.

A tiny monument to the classic American candy.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

A small obelisk marks the spot where Captain Sam Greele was killed by a falling tree.

Even Henry David Thoreau found this glacial pothole irresistible.