A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

The Andean town where every single building is decorated with a brightly colored frieze.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

This one-room cabin where the young colonel slept during the French and Indian War.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

The land is home to swimming ponies and a legendary 18th-century treasure.

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

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

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

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

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

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

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.