This cave holds a surprisingly colorful variety of geological oddities.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

A mini Wrigley Field for mini baseball players.

A bizarre house filled with an astounding array of collections.

Former hotel turned into haunted playground.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

An Englishman loses his scalp to a Cheyenne warrior and lives to donate it to a library.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

An obelisk commemorating Lincoln's role in connecting the coasts.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

This large midwestern cavern features impressive rock formations and an underground waterfall.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

An old town theater converted into a celebration of the hobo legacy.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

A small town garden is dedicated to a psychic dog with the most soulful eyes.

The notorious couple camped at this site after a bloody shootout with police.

Secret hideaway for an alternative beach experience.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.