This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

These pretty kitties killed and ate as many as 135 railway workers.

To find the "unicorns of the deep" you've got to go downstairs.

Years of archaeology, just chillin' by the water cooler.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

On the shores of Lake Kalamazoo, a plaque marks a fictional event where an island nation ran aground.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

A large collection of motorbikes with some impressive gems.

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

The most powerful laboratory radiation source in the world pulses with 1,000 times the electricity of a lightning bolt.

The final resting place of the living embodiment of the famous Forest Service symbol.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

The building stands within a quiet, postcard-perfect New Mexico village.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

More than 21,000 images fill this overlooked gem of a prehistoric site.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

The U.S. Air Force has an anti-satellite laser weapon.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.