Home to items never before seen by the public.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

"The House That Love Built" is shying away from "The House That Ghosts Love."

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

An obscure waterfall that looks like something out of a fantasy novel.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Make your reservation to have coffee with some kitties.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

An old abandoned pharmacy building in Texas is brimming with collectibles and images of the little tuxedoed pooch.

A small "palace" and museum made of, and devoted entirely, to salt.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

One of the last active volcanoes on the Eastern seaboard.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

An extraordinary mixture of natural beauty and man-made phenomena.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Rustic natural hot springs in the deciduous rain forest.

A house filled to the brim with oddities and curiosities.