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

This sinkhole was created by a tragic industrial accident and continues to ravage the surrounding landscape.

A mysterious find dredged from Louisiana waters.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

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

World's largest precision optical instrument used to detect Einstein's elusive gravity waves.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

The crumbling remains of a 19th century fortess.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.

Florida’s half-sized replica of the Vietnam Veterans Wall.

This now-deactivated naval base defended the Florida coast for centuries.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.