Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

One of the world's earliest skyscrapers.

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

Exploring the past, present, and future of blues music.

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

Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

One of few surviving standpipe water towers in the U.S.

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

More than 12,000 years ago, this park was a playground for mastodons.

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

A sculpture of a giant man escaping from the depths of the Earth.

After miraculously surviving a giant flood, the 19th-century nut tree and its offspring are protected with their own tiny park.

This remote island in Iowa was abandoned after being devastated by flood.

Grant Wood painted some of his most famous works of art at this studio.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A replica of the self-taught naturalist's iconic cabin stands inside a library near his hometown.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.