This giant tower beacon was a key navigation tool for pilots delivering mail amid the night skies.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

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

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

An annual festival celebrating Colorado's most famous frozen corpse.

The final resting spot of the Colorado Transportation Department's beloved unofficial mascot.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

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

Birds with backpacks expedite film development for a rafting company on a remote Colorado river.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

Antique automobiles, phonographs, organs, and farm equipment.

After being lost for nearly a century, this historic bell finally returned home after its mysterious theft.

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