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

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

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

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

The curiosities and wonders of pharmacy in a delightful historic building.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

In 1857, the Mardi Gras parade tradition began at this intersection.

A unique post-modern public space in the middle of the Warehouse District in New Orleans.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The only rotating bar in New Orleans has been slowly spinning since 1949.

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

A museum and shop on Bourbon Street located in the French Quarter.

Shop for books in the New Orleans house where William Faulkner once lived.

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

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

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

Paths are maintained, but trees have taken over plots.

The only working large-scale tea plantation in the United States.

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.

The "birthplace of insulin," where Sir Frederick Banting realized the hormone could save the lives of Type 1 diabetics.