Once in a state of dilapidation, this candy-inspired fortress is now being revived.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

The site of one of history's most indelible and horrific tragedies.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

Series of storm drains connected to a dark urban legend.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Century-old shop, specializing in Occult products.

A curious building honoring past and current members of a historic musical comedy troupe.

A legendary boxing venue and ring featured in Rocky V.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

This beloved marketplace mascot poops money and grants good luck.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The abandoned coal loading dock is a canvas for unsanctioned art.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

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

The humble field where the first Major League Baseball game was played.

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

An Irish Memorial commemorating those who perished due to potato blight.