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.

Beautiful scenery, history, science, and physics come together in this remnant of shipping lore.

Amid rushing rapids, this small bit of land is an important First Nations site on border between Canada and the United States.

Watch the ships come in on Michigan's 210 ft. high observation deck in Sault Ste. Marie.

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

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.

This was the first ever National Lakeshore, established in 1966.

Rusting hulk stands in testament to the Keweenaw Peninsula’s rich history of copper mining.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

This 25-foot-tall statue was built as a protest to a property dispute.

Home to a 26-foot-tall statue of an American icon.

This ambitious attraction was the brain child of a lake resort impresario, and built by the WPA.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

This sky-high radio mast is formerly the tallest man-made structure in the world.

A monument to the center of the North American continent may be off by a few miles.

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

Home of a French nobleman's short-lived attempt at raising cattle in the Badlands of North Dakota.

The world's largest Holstein cow.