A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

One of Philadelphia's largest murals resides hidden under this bridge.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

Each step is a mere four inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

The humble field where the first Major League Baseball game was played.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

Memorializing an American tragedy of massive proportions.

Where the oil industry began.

A diorama of the Civil War, fought by cats.

The first of Lancaster's "rural cemeteries."

A retrofuturistic art installation in the Pittsburgh Airport.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

"Where the ducks walk on fish."

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

This giant disembodied horse head seems to balance impossibly on its nose.

The final resting place of the Hollywood star who came to a tragic end.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.