The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

An underground city of salt.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Three vintage horses survived a 1976 inferno and found a home on a sister carousel.

One person's lost luggage is another person's treasure.

Medical museum featuring a number of excellent medical models.

Site of a former hidden treehouse in New Orleans.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

A very classy 1920s-era bar right in Grand Central Station.

Burlesque Hospital Themed Restaurant.

The 100-year-old public collection of a New Hampshire dentist that contains taxidermy, Native American artifacts, and a pair of mummy hands.

Sacred Indian temple that’s all monkey business.

The only recreation of William Shakespeare's indoor playhouse.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

Visitors dip into a variety of pools of what was once ice.

Continuing the tradition of the dime museum in style.

Repository for more than 22 million pickled specimens.

Taxonomy experiment known for quirky collections.

A house of bones — but nobody is quite sure to whom they belong.

The place where houses are born.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.