A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

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.

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

This collection honors the iconic, and proudly American lighter that just won't quit.

Could it have picked a better place to land?

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

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

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.

Steepest flood safety railway in the entire world.

A quirky collection of outsider art made from automobile parts.

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

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

A larger-than-life statue of America's favorite sundae marks the place it was invented.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

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.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

An outlandish shoe shaped house built by an eccentric millionaire.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

The Home and murder site of the witch of Rehmeyers Hollow.

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

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.