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

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

This strange, small castle on the bayou has withstood the test of time and weather.

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

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

This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

A little piece of Paris in the sultry south of the U.S.

A house of courtship where the Jazz Age's most storied lovers got their start.

A building that was once a general store, a speakeasy, and a newspaper office now holds a small gallery filled with New Orleans photography.

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.

"If she'd leave us alone, we would have a happy home, sent from down below."

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Sculptor Vadim Bora's bronze felines pay playful homage to architectural features no longer extant along Asheville's Wall Street.

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

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

Community bookshelf of 25-foot-tall book spines.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

Tour the sci-fi-esque reality of governmental disease management.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

This kitschy tavern is also home to rare early editions of "Treasure Island."

Founded in 1925, this folk school attracts students from across the country and preserves traditional Appalachian art.

From golden eagles to peregrine falcons, this rehabilitation and education center is a haven for birds of prey.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.