The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

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

Even in death, he's still your huckleberry.

A little-known hot spring haven right below the highway.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A historic freight system that found the true gold rush is in tourism.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

A land of debatable treasure.

The most magnificent bottle house in a town strangely full of them.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The longest living non-clonal organisms on Earth.

Odd outsider art installations surround a Gold Rush-era ghost town.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

Experience the life of an 1800's lumberjack at this interactive museum that is only accessible by railroad.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.

Statue dedicated to the star of an old television show.

A large circus museum with summer performances.

A place to eat for on-the-run agents and espionage enthusiasts.

A bizarre house filled with an astounding array of collections.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.