The magic's in the hole!

An architect's childhood fantasy treehouse made real.

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

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A 20-meter (65-foot) robot towers over Tokyo Bay.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

A downtown park built on top of unclaimed graves.

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

This hot dog-shaped diner has moved all around Colorado, never been to New York.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.