An emerald-green grotto just a short trip from Austin.

Controversially claiming the title of world's biggest bass drum, UT's Big Bertha was once made radioactive by the Manhattan Project.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Austin’s local mountain isn’t really a mountain at all.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

Ghost town with a beer-drinking goat for mayor.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

An annual celebration of the region's successful elk reintroduction program.

Hidden amid a collection of trails is the site of a tragic crash.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.