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

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

A Depression-era sculpture by Charles Umlauf survives in a small suburban post office.

A collection of 11 million buttons illustrates the human toll of the Holocaust.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

The world's third-largest scale model of the planets.