The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A trash dump made beautiful by nature's power.

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

The rocks in this arid basin leave trails of movement behind them.

The sign at the garden gate reads: "These Plants Can Kill."

The fairy tale castle of the "fairy-tale king."

A crumbling hospital from the 1850s on Roosevelt Island.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Most-visited and most-photographed slot canyon in the American Southwest.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

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

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

An exquisite tunnel of cascading flowers.

Rippling sand dunes frozen in the Arizona rock.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A terrific purveyor of natural history objects and curios.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A museum and tribute to a brave profession.

Once a year, at exactly 11:11 a.m., this monument comes to life.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A mysterious "wedding cake" castle in the middle of the urban desert.

A self-built castle made by a mysterious man.