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

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

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

One man's ambition created this psychedelic log home.

At the time of its completion, it was the tallest dam in the world.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

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

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

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