This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Tour the sci-fi-esque reality of governmental disease management.

An abandoned World War II bunker is part of a chain that runs throughout Washington.

The statues commemorate the legendary mass killing of escaped circus monkeys.

Stroll through a wonderland of stupendous moss-covered trees.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

A giant Troll lurks under one of Seattle's oldest bridges.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A tribute to Ponce de Leon's supposed quest for eternal youth.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A building so large that it has its own weather.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930s version of "infotainment."

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

An exotic wildlife habitat right off The Strip.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

The highest point in Washington state is a volcano covered in glaciers.

This working class sculpture pounds his hammer all the livelong day.

The first declared National Monument in the United States.