The first American department store, and home to the largest operating musical instrument in the world.

Yo, Adrian!

A daily replay of the experiment that proved the rotation of the Earth.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This elaborate towering structure was once famed for its revolutionary height.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

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

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

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

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

University City's quirkiest resident lives in a park named after its first.

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.

An urban forest overtakes what was the greatest failure of utopic urban housing.

A chessmaster's dream destination.

This is not your typical jungle gym.

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

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