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

This historic hotel invented the chocolate brownie.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Shop of curiosities with a dinosaur museum tucked in its basement.

An enormous park-like oasis, full of famous Chicagoans' graves.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

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

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

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

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.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

At 207 feet, one of the world's longest continuous escalators.

A former major munitions plant that has been converted into a sprawling art space.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

This popular pilgrimage site offers a hole filled with holy healing dirt.