Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

This secluded walking trail is a hidden gem of a Pittsburgh park.

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

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

Pennsylvania's own Roswell-style UFO mystery.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

An outlandish shoe shaped house built by an eccentric millionaire.

These disused steel furnaces are now haunting ruins that may one day be a national park.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

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

A historic covered bridge is but one example of an oddly prevalent American urban legend.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

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

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

A failed piece of Orientalism has become the proud symbol of a community.

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

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.