The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

The creek where a shark wreaked terror upon New Jersey, and served as the inspiration for "Jaws."

World War II bunker still standing on the New Jersey beach.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Remnants of a storybook amusement park hidden behind a strip mall.

This everlasting lightning storm may be the world's largest generator of ozone.

This was one of the first (and last) university-built and operated nuclear reactors.

From scholastic to sepulchral - now under reconstruction.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.