An underground river pushes more than 200 million gallons out of this Missouri spring every day.

A museum devoted to osteopathy and its creator, Andrew Still.

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

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

One of America's first planned communities is preserved in a state park.

Some of the oldest exposed rock formations in the United States.

The oldest soda fountain in St. Louis has been serving up treats for more than a century.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

Away from the crowds of fishing enthusiasts, take a hike deep into the woods and journey into an eerie darkness.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Another in a long tradition of legends regarding infernal seats.

This unconventional used book store was once in the news for the surprising act of burning books.

An adorably sweet display of sculpted Precious Moments figurines.

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

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

This otherworldly church spire reaches up toward the heavens.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

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

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