During WWII the U.S. Navy conducted primitive drone strikes on this Lake Michigan lighthouse.

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

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

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

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Rare recess caves fill this unbelievably beautiful Ohio park.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

A popular winter vacation destination for migrating monarch butterflies.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

The winter home of millions of migrating monarch butterflies.

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

The plants form a living library and laboratory for researchers and students at Michigan State University.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

A lavender labyrinth so large it’s visible on Google Earth.