How a bat poo mine became a major Native American archaeological site—and connections to legendary red-haired giants.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

The third-tallest lighthouse in the United States stands as a reminder of Atlantic City's early days.

A deadly ancient portal to the underworld.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

This Great Depression-era creation was once known as the strangest house in the world.

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

Rising out of a clearing in New Jersey's Pine Barrens is an Aztec-inspired monument to the "Lindbergh of Mexico."

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

This quaint New Jersey graveyard is an eternal resting place for thousands of beloved pets.

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

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

The oldest surviving presidential residence in the United States.

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

The singer, actor, and activist lived here during his final years, and now it’s a museum dedicated to his legacy.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Arlington Cemetery exhibit dedicated to death and grieving.

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

This shrine to bovine consumption and all things fast food is a slice of culinary history both rare and well done.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.