Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Home of an evil witch famous within southern folklore.

The home of 1.5 million wood letters for printing is still a functioning workshop.

More than 5,000 contemporary and "historic" mustards from around the world.

A bizarre house filled with an astounding array of collections.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Moonbows over Kentucky.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A museum celebrating the self-taught artist-environment builder.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

Medical history museum featuring a lovely doctor's office from the 1800s.

Unique collection containing a wide and curious range of contraceptive items.

A wax effigy of St. Valentine hides one of the saint's relics.

Less a museum than a bizarre fantasy world created by artists and engineers.

Veritable museum of 20th century country music history.

One of the few surviving "Wigwam"-themed motels.

Colorful collection of antique musical oddities.

A science teacher's dream.

Ornate limestone building now filled with geologic specimens, and more.

One tree's homage to soles past and present.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A medical facility that has been kept frozen in time.

A collection of relics from the Spiritualist Camp Chesterfield.