This maze-like slot canyon is a unique gem within an already fascinating geological area.

This historic lighthouse was well known for the large number of women who served as its keeper.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A historic grist mill and active sluice on the Black River.

Local lore claims this park is named after a young woman who jumped off a cliff.

Thousands of Matchbox cars spanning generations call this New Jersey barn home.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

Inside Crosswicks Creek Park resides an estate chronicling 200 years of history.

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

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

The slate extracted from these Pennsylvania quarries was once hailed as the finest in the world.

The Decoy Capital of the World.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

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

One of the first commercially successful anthracite-powered iron-making operations in North America.

A recently abandoned psych ward at the end of Sanatorium Road.

A park full of outsider art, created by college students studying outsider art.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

Mysterious rocks that ring musically when struck.

One of the world's largest model railroads is a mind-boggling achievement.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

A museum of anything and everything Stooge.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.