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

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.

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

This whimsical statue marks the high water level from the Great Flood of 1993.

Huge abstract sculptures of the Puerto Rican Flag.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

A monument to the art of slicing people open.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

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

Illegal drag racing two stories beneath Chicago’s streets.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

These five houses were built for the 1933 Chicago World’s Fair.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

The site where Joseph Smith, founder of the Latter Day Saint movement, was killed by a mob.

This shallow cave got its name from copious amount of human bones found inside.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This picturesque beacon was built to keep boats safe shortly after the Civil War.

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

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

How did the 110-ton limestone statue cross the road?

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

Centuries-old bridges grown from tangled roots.