Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

There are eight natural springs around town, each with a slightly different taste.

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

The largest source of fossilized insects anywhere.

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.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

When ecosystems collide in the arid Southwest.

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

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

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

The longest structure of its kind ever built in Michigan.

A cemetery where many of those buried had a flair for the dramatics.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

This missionary's legacy looms large over the Upper Peninsula of Michigan—literally.

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

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

A beautiful geyser under environmental threat.

Every president in history is immortalized in bronze in downtown Rapid City.

This monument honors the band's impromptu performance at Cadillac highschool's homecoming decades ago.

A lonely stone-sided terminal stands next to a grass airstrip on Michigan's Leelanau Peninsula.

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

The restored ferry is now a dockside museum and a unique bed and breakfast.