Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

Believed to be the birthplace of the United States Marine Corps.

A tribute to those that perished during the American Revolution.

These unique rock formations were created during the Ice Age.

A bronze statue of Mister Rogers in the neighborhood where he grew up.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

In this cemetery stands the country's first public crematorium.

"Where the ducks walk on fish."

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

A miniature golf course crafted inside the world's largest simulated cave.

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

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

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

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

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

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.

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

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

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

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