An emerald-green grotto just a short trip from Austin.

This massive home was constructed by one of the greatest conservationists in Colorado history.

A remote sandstone plateau named for a legendary cattle rustler.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The giant stump of the once towering cottonwood where Ute people held tribal meetings.

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

A hotel with a rich Wild West history of miners and bootleggers.

One of few remaining antique carousels with stationary animals in the U.S.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

This marker identifies the location where three states converge.

Two creeks flow out of either end of this canyon in opposite directions.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

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

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.

A river runs through this remote valley in a very unexpected way.

Unlike most arches, this geological oddity formed in a volcanic dike.

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

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

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

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

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

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

This Boeing KC-97 tanker is now a restaurant for aviation lovers.