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

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

Hundreds of protractors affixed to surfaces all over the city.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

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

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

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

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

Steepest flood safety railway in the entire world.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

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

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

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

A larger-than-life statue of America's favorite sundae marks the place it was invented.

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

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

A local prank turned town icon.

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

An outlandish shoe shaped house built by an eccentric millionaire.

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

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

Pennsylvania's own Roswell-style UFO mystery.

This park contains a number of standing stones meant to heal and inspire.

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