This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

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

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

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

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

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

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

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

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

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

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

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

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

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

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

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

The oldest farmer's market in America is so ancient it was approved by the King of England.

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

This church in Pittsburgh is home to the largest collection of religious relics in North America.

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

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.