One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This wildlife refuge is home to more than 200 species of birds, as well as monkeys, lizards, and other wildlife.

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

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

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

The second oldest continuously operating bar in Louisiana.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A snapshot of the city's fascinating voodoo culture.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

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

Three hundred years of preserved Spanish colonial history in San Antonio.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

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

An homage to the pointers and retrievers that have long been a hunter's best friend.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

This replica of the Greek structure is in the heart of Nashville.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Located on the campus of Emory University, this museum is filled with objects from the Americas to ancient Greece.