A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

San Diego's most historic and haunted home.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Exact replica of the ancient monument, but much, much lighter.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Largest display of Wesleyana anywhere in the world.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

The permanent home of Elektro, the celebrity automaton of the 1939 World's Fair.

The largest earthwork effigy in the world.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The world's longest known cave system.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

A fitting attraction for the corn capital of the world.

This former mining town was named the most toxic town in America.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

A mysterious light of unknown origin on the backroads of Missouri.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Erosion and time have created a naturally-formed water park.

Wisconsin's most celebrated export gets the royal treatment on I-94.

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

Homemade outdoor church and sculpture garden decorated with glass shards.