A monument marks the location of the first successful steamboat demonstration.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

This general store is more than a century old and home to various oddities and antiques.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

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

Man-made geyser that rises to the exact height of the Gateway Arch.

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

A chessmaster's dream destination.

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.

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

This is not your typical jungle gym.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

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

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

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

One of the world's earliest skyscrapers.

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

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

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

Snack on a partially gestated duck egg.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."