An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

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

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

A museum of anything and everything Stooge.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

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

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

Could it have picked a better place to land?

A retrofuturistic art installation in the Pittsburgh Airport.

These lush botanical gardens employ the most purrfect pest control force.

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

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

A glittering Thai Buddhist temple in suburban Pennsylvania.

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

Steepest flood safety railway in the entire world.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

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

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

This jail which was in service for over a century is now open for curious visitors.