When ecosystems collide in the arid Southwest.

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.

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

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

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

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

One of the last Jazz Age "Wonder Theaters" in New York City.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Ride the subways of yesteryear.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A semi-scholarly approach to sex.

Try not to get slimed in Tribeca.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A crumbling hospital from the 1850s on Roosevelt Island.