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

Live long and prosper in Tennessee.

More than five miles of underground passageways.

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

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

One Confederate statue that accurately reflects the ugliness of its subject.

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

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

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

A key producer of charcoal iron in the early 1800s, the structure still stands today.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

An oversized metal construction of Billy Tripp's moods going through life.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

An unknown Hall of Fame in Jackson, Tennessee.

The world's largest collection of porcelain "veilleuses-theiere," or night light teapots, includes four that belonged to Napoleon.

This Tennessee museum is dedicated to a tragic railroad hero who inspired the famous ballad that bears his name.