The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Memorial built in 1922 in remembrance of WWI casualties.

The most confusing clock in New York.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

Amazingly, this old machine within the Resorts Casino still functions.

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

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

A black and white mural stands out from its psychedelic surroundings.

The last of its kind in the country.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Where America’s first doomsday cult awaited the end of the world.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

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

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Yo, Adrian!

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.