The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The first full-scale tunnel built in America is short but scenic.

Crumbling Kennedys and a decaying Tecumseh are just some of the haunting remains of one man's cement art trail.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

Admire impressively detailed models of everything from a Pennsylvania Dutch kitchen to the world's smallest Swiss Army Knife.

This tombstone marks the final resting place of the beloved 1990's character, Ernest P. Worrell.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

This museum of miniature displays provides a journey through early American history.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Visit this playground of waterfalls, caves and sinkholes.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Home of an evil witch famous within southern folklore.

A local scoured more than 1,000 acres for stone to create his masterpiece.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

Veritable museum of 20th century country music history.

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

A castle built by an eccentric medieval enthusiast in rural Ohio.