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

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

Alexander Hamilton’s creation caused quite a bit of controversy.

The first American axe throwing club.

An Irish Memorial commemorating those who perished due to potato blight.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

A daily replay of the experiment that proved the rotation of the Earth.

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

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

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

Yo, Adrian!

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

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A former major munitions plant that has been converted into a sprawling art space.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

Washington's iconic carousel has a nice piece of Civil Rights history.

Home to items never before seen by the public.

Remnants of a storybook amusement park hidden behind a strip mall.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

Wedged between two sets of row houses is an awkwardly located family graveyard.