In the Shawnee National Forest, amazing rock formations peer through the treeline.

This two-room shotgun shack in Tupelo is the birthplace of a King.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

A bronze sculpture of a white dove commissioned by Pope Benedict XVI.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

Striking images of New Orleans history, including colonizers, soldiers, Klansmen, scientists, sharecroppers, and more, are depicted in frescoes that line the walls of this transportation hub.

The world-record holder for the longest bridge stretching continuously over water.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

255 feet of suds, scrubbers, and blow dryers.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

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

Texas’s first suspension bridge is still carrying people across the Brazos.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

This downtown Dallas art installation is always on the lookout.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

Once the smallest park in the national system.

An indoor botanical garden for tropical plants looks like a giant cylinder lying on its side.

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

A place to eat for on-the-run agents and espionage enthusiasts.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.