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

This freshwater spring fills with 10,000 gallons of water per minute.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

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.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

The artwork honors those who are dedicated to preserving the beautiful Michigan peninsula.

This tribute to a local man towers within a quaint lakeside park.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Talula the swan has been welcoming visitors to Elk Rapids, Michigan, for more than four decades.

An enormous roadside pan tells the story of a battle for pie glory.

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

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

The final resting place of the visionary founders of Kelloggs, a global leader in breakfast cereals.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

A restored 114-year-old railroad station heralded as the most photographed depot in the United States.

For books about travel, whether factual or fictional, the perfect antiquarian does exist.

Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

On the upper deck of this church-owned parking garage stand eight pillars topped with different Catholic saints.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.