In 1810, free people of color made up more of New Orleans's population than any other Southern city.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.

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

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The deepest spring in Missouri.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

Giant granite rocks standing end-to-end like a train of circus elephants.

Erosion and time have created a naturally-formed water park.

European castle ruins in an American state park are actually the product of death and grief.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

This mausoleum is the final resting place of one of St. Louis's richest and most tragic families.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

During the 19th-century, this park was a vital trading fort.

One man's unrequited love stands in a glass box forever.

A chessmaster's dream destination.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

This iconic science fiction house still looks like something from the future.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.