Over 600 vacuum cleaners stack the shelves of what may be the cleanest museum in America.

In Edwin Hubble's hometown, a scale model of the groundbreaking telescope that was named in his honor.

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

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Less a museum than a bizarre fantasy world created by artists and engineers.

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

This colorful New Orleans bookstore features rare and used titles, with a specialty in Cajun fare.

Introducing the Green Fairy to her fawning masses.

This museum tells a lively, personal, and wide-ranging history of jazz music.

A 200-year-old live oak on the banks of Lake Pontchartrain.

Some believe this tree to be more than 1,500 years old.

Come for the 14-foot-long taxidermy alligator. Stay for the mini costumed gators shooting pool.

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

After the oysters have been shucked, and the restaurant's been shuttered, the terrazzo sidewalk from the 1940s is all that remains.

This 19th-century benevolent society and jazz hall was rescued from abandonment to again host live music.

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

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

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.