The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

This Louisiana folk art gallery is a gnarled collection of driftwood homonculi.

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

The first plantation museum in the United States to focus on the lives of enslaved people.

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

A miscalculation turns a very shallow freshwater lake into a very deep saltwater lake.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

The tallest monument in a historic New Orleans cemetery was prompted by romance and dash of pettiness.

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

Roadside attraction with more than 1,000 stuffed and mounted animal skins displayed in simulated natural habitats with hand-painted backdrops.

The above-ground crypts at this Catholic cemetery face north-south instead of the usual east-west.

Religion and personal struggle gave birth to this collection of concrete angels.

This museum chronicles the history of a leprosy quarantine hospital that then became a refuge.

A Cajun-style Christmas on the river also involves sky-high pyres and explosives.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

This strange example of the Egyptian Revival architecture trend now holds Mardi Gras floats.

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

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

All that remains of this small town is its mass grave and a myth of a voodoo priestess who predicted its demise.

A swamp and garden tour featuring local wildlife and exotic botanical specimens from around the world.

A calm and comfortable place to hang out with cats and kittens up for adoption.

A haunting, yet lovingly hand-hewn potters' field full of graves that flood with each heavy rain.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.