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

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

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

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

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

A sprawling museum filled with larger-than-life works of art.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

The 30,000-volume library is one of the world's most impressive poetry collections.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

One of the few surviving "Wigwam"-themed motels.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

The world's longest known cave system.

Prehistoric animals decorate this popular outdoor park.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

Legs Inn provides Polish food, a cornucopia of Native American artwork, wood carvings, and mounted deer heads.

The subtle science of a master molecular gastronomist.