One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A 30-foot man on a penny-farthing bicycle rides along the banks of the Mississippi.

A fitting attraction for the corn capital of the world.

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

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

Millions of dollars worth of sculpture decorate this Iowa city center.

An eclectic assortment of medieval architecture in a small Iowa town.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

A rancher expanding a natural spring for his cattle came up with bones – lots and lots of them.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

Otherworldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

This erect, phallic geological spire wasn't always named so domestically.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

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

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

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

Illegal drag racing two stories beneath Chicago’s streets.

No one knows how many bodies are in this vault in a Chicago public park.

Former bath house turns gastropub.

These mansions date back to Chicago's days as a brewer's paradise.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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