This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

The short-lived history of a new republic and British control in West Florida.

This hollowed salt dome is the largest oil storage facility in the world, hoarding 250 million barrels of crude oil.

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.

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

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Two small markers remember the Alamo's feline protectors.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

The oldest functional consecrated church on Mustang Island.

A tower that pays homage to local sailors who perished under the waves.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

These pretty kitties killed and ate as many as 135 railway workers.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

World's largest Christmas store.

An ever-evolving wall of graffiti art off East Liberty Street.