Manatees congregate around a power plant's discharge canal where the water is especially warm.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

The only diamond mine in the world where you can keep what you find.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The remains of the first public diamond mine in Arkansas.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A town pays homage to its namesake.

This is one really big nut.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

Crumbling remnants of what was once a booming town full of silver.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Some of the Old West's most notorious outlaws frequented this mining town.