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

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

The site of a tragedy in 1908 that claimed the lives of 171 people and changed fire safety laws across the state.

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

This square in downtown Eugene is dedicated to the novelist and countercultural figure Ken Kesey.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

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

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

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

There aren't too many operational funiculars around, but Pittsburgh has two!

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

Yo, Adrian!

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The oldest surviving botanic garden in the United States.

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.

Dr Barnes' $25 billion private collection of art and arboretum.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A toxic ghost town sitting atop a massive coal fire.

A layered tribute to the work of mosaicist Isaiah Zagar.

The world’s first penitentiary, meant to be humane, drove men insane.