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

Huge masonic hall in Philadelphia with lavishly themed rooms.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

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

A local prank turned town icon.

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

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Rare recess caves fill this unbelievably beautiful Ohio park.

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