This stone marker honors the man who released Canada goose goslings in Fort Collins, Colorado.

The start of the group that straightened the teeth of a nation.

An innovative local park built from an abandoned sewage treatment plant.

A tribute to Loveland’s most famous sweethearts, who helped spread cupid’s message to millions.

One of the few surviving Panama Canal steam shovels stands outside a tiny Colorado mining museum.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

This restored farmhouse is a time capsule of a 19th-century Colorado homestead.

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

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

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

It's easy to forget what century it is as you wander this rustic homestead.

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.

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

A prehistoric rock shelter that's literally in someone's backyard.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

Antique automobiles, phonographs, organs, and farm equipment.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

The world's largest sticker ball weighs in at a mighty 231 pounds.

The remains of an early 1900s dude ranch that operated until the 1970s.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

This eclectic collection documents the wild legacies of "America's Wickedest Street."

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.