Once used to screen films for theater owners to rent, this historic building is now a start up hub.

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

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

For decades, it has disappeared and reappeared as water levels rise and fall.

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

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

Alexander Hamilton’s creation caused quite a bit of controversy.

Nothing says indulgence like a 1,500-pound chocolate castle.

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

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

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.

This icon of the Atomic Age now lays dormant.

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

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

These lush botanical gardens employ the most purrfect pest control force.

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

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

A glittering Thai Buddhist temple in suburban Pennsylvania.

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

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

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

This jail which was in service for over a century is now open for curious visitors.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.