Dating back to the 1800s, two imposing buildings in Michigan have had countless transformations over the years.

When beetles destroyed these trees, they found new life as fantasy sculptures.

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

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

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

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

Built by an accountant with a dream of running a grand resort, this estate has sat vacant for over half a century.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

The longest navigable underground river in the United States is home to countless blind and albino animals.

At the turn of the century, a chair like rock sat at the top of the falls and hosted the winner of a local beauty contest.

The oldest county library in the United States.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

Discover a beautiful natural paradise, minutes away from a thriving city.

This rock formation above the Wabash River is part of an ancient coral reef.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

Nature and art meet in this curvy creation

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The honor of highest point in Michigan was almost given to the wrong peak before this mountain won out by 11 inches.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

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

A series of 33 stone markers maps an ancient 55-mile transportation route.