Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

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

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

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

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

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

The Vermont square that inspired Shirley Jackson's "The Lottery."

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

A field of nothing but boulders which resembles a giant's gravel driveway.

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

A massive sustainable farm designed by the mastermind behind Central Park.

A New England curiosity cabinet, one hundred years on.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Yo, Adrian!

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.