The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

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

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

Memorializing an American tragedy of massive proportions.

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

"Where the ducks walk on fish."

Don't get it twisted: This is the oldest pretzel bakery in the United States.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

This public park was the site of the largest civilian disaster of the Civil War.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

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

A giant ball made from pieces of an old Jeep.

This dramatic rail curve was once the target of a failed Nazi attack.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

This collection honors the iconic, and proudly American lighter that just won't quit.

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

Steepest flood safety railway in the entire world.

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

This icon of the Atomic Age now lays dormant.

A local prank turned town icon.

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

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

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.