Collection of scores of race cars from the 1900s to recent lovingly maintained and displayed.

The Ryerss mansion in Burholme Park now houses a community library and a museum filled with a trove of oddities from around the world.

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

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

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

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

The oldest surviving presidential residence in the United States.

A legendary boxing venue and ring featured in Rocky V.

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

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

This beloved marketplace mascot poops money and grants good luck.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This elaborate towering structure was once famed for its revolutionary height.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

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

In the early 1800s, surgery was also a show.

Dr Barnes' $25 billion private collection of art and arboretum.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

Huge masonic hall in Philadelphia with lavishly themed rooms.

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

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