This simple, broken column marks the final resting place of one of America's most famous explorers.

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

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

Enormous lake at the bottom of a unique cave system.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

A beautiful botanical garden in the heart of the Natural State.

Elvis's own personal tropical hideaway.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This underwater old Texas hill town only resurfaces during harsh drought.

An oasis of lilies cultivated by the "Indiana Jones of Water Lilies."