This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

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

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.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The first American department store, and home to the largest operating musical instrument in the world.

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The longest covered bridge in Delaware.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Archaeological sites and great food inside the island's largest mangrove forest.

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.