One of the few surviving "Wigwam"-themed motels.

Moonbows over Kentucky.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The world's longest known cave system.

Strange physical sensations and optical contradictions keep visitors coming back for more.

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

Celebrating the end of winter, students gather every year at Lake Superior State University to torch a 12-foot-tall snowman.

It leads to a former hospital’s old root cellar.

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

This enchanting forest trail leads to ethereal abodes and a giant bird's nest.

A museum dedicated to the dead and the tools used to usher them into the afterlife.

Located in a Civil War era building, this café is engrained with the spirit of Edgar Allen Poe.

The park is home to the United States's only still-operating Dutch windmill.

At HopCat, a marker honors fictional creatures with the ability to travel the missing dimensions of Kcymaerxthaere.

This former industrial site has transformed into a community sculpture garden that hosts monthly Full Moon parties.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

With over 5,000 champions, the Hall of Fame continues to draw amateur eaters.

The world's largest commercially available hamburger is complete with 15 pounds of lettuce, 30 pounds of bacon, and 36 pounds of cheese.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

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

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

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

Former self-sufficient mental institution now a planned community.