These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

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

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

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

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

"The Most Boring Road in the State."

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

A lovely hidden waterfall right off the highway is well worth a stop.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

Wisconsin's most celebrated export gets the royal treatment on I-94.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

These modest Midwestern formations are kin to Niagara Falls' impressive cliffs, more than 600 miles away.

The building was originally a gas station built to resemble a Japanese tea house.