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

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

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

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

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

This recycled wax museum may be the only one that features John Travolta in a Bible scene.

This small museum dedicated to the painful memory of segregation is essentially a time capsule.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.