The largest self-built castle in the U.S., six decades in the making.

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

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

This super steep hike ascends 2,000 feet in less than a mile.

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

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

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

A downtown park built on top of unclaimed graves.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

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

An annual festival celebrating Colorado's most famous frozen corpse.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

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

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

An abandoned asylum incorporated into a college campus.

An unassuming 13-acre park is home to over 12,000 roses.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The real-life site of Ichabod Crane's infamous gourd attack.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.