Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

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

Dedicated to a legendary spiritual vision.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

Constrained by time and topography, this civil engineering landmark was constructed 100 feet above Starrucca Creek over the course of a single year.

A reproduction of a giant humanoid "fossil," a hoax buried locally for construction crews to find and gain national attention.

The final resting place for the famed creator and narrator of "The Twilight Zone."

Pluto is still considered a planet in Ithaca, New York.

A monument to an Irish secret society thought to be responsible for a string of violent attacks in Pennsylvania coal mines.

Outside a small brewery, a Gothic fountain that once provided water to thirsty horses.

These hooded graves are the only of their kind in the United States.

This national landmark is also home to a massive treehouse.

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

A eight-foot-tall statue resides in the heart of Pennsylvania anthracite coal country.

An underground blaze turned this village into a ghost town.