When ecosystems collide in the arid Southwest.

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

The highest bridge in America was built for an almost unnervingly small amount of money.

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

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Where Mary Shelley’s 'Frankenstein' and John William Polidori's 'The Vampyre' were born.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

The building that inspired Shirley Jackson's "The Haunting of Hill House."

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

A simple Colonial home with a past haunted by death and madness.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

This 1.5 million-gallon water tower inspired Stephen King while he was writing "It."

The eccentric mansion of one of the most popular horror authors of modern times.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

San Francisco’s century-old Christmas Tree.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

Every December the Wannalancit Mills lights a Christmas Tree over the old mill's smokestack.