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

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

The world's largest public collection of PEZ memorabilia.

Outsider art meets paleontology at this roadside reptile repository.

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

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

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

When ecosystems collide in the arid Southwest.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A museum dedicated to exhibiting remarkable outsider art.

Walk through the history of American pop culture.

A Civil War Museum with some notable medical antiques.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

A beautiful oddities shop crammed with strange and morbid curiosities.

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

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

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.