The home used in just a few seconds of film that came to define the setting of a hit sitcom.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

Ornate limestone building now filled with geologic specimens, and more.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

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

A local prank turned town icon.

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

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

Priceless space junk on display in front of a local Dairy Queen.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

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

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

A failed piece of Orientalism has become the proud symbol of a community.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

In which a local geological marvel becomes a quaint roadside attraction.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.