Live long and prosper in Tennessee.

An abandoned town is hidden in Great Smoky Mountains National Park.

Home to drunken tower-climbing goats... seriously.

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

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Railroad came. People came. Railroad left. Town died.

Mile-long cave system near Great Smoky Mountains.

The secret city built by the Manhattan Project.

This replica of the Greek structure is in the heart of Nashville.

More than five miles of underground passageways.

Visit this playground of waterfalls, caves and sinkholes.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Home of an evil witch famous within southern folklore.

Enormous lake at the bottom of a unique cave system.

Dozens of large steel sculptures fill this two-acre park outside a former blacksmith's studio.

A collection of art crafted from various hardware tools.

This church doubles a museum dedicated to Norwegian heritage.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

This unassuming city park is home to three different types of Native American mounds.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

This odd stone memorial remembers a loyal dog who offended the rail barons with his speed and saved his master with his pee.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

A former atom smasher turned into an art gallery.