The headquarters in Salem doubles as an occult art gallery.

The secret city built by the Manhattan Project.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

A science teacher's dream.

This massive redwood tree has a hole in the base big enough to drive through.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

This replica of the Greek structure is in the heart of Nashville.

A once grand hotel is being retaken by the wilderness it once capitalized on.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A collection of full-size movie monsters opened to the public.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A haunted hill that supposedly defied gravity.