Michigan’s most famous shoe tree.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

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

Former self-sufficient mental institution now a planned community.

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

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

An enormous roadside pan tells the story of a battle for pie glory.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

This moving cemetery sphere is a slowly rolling stone.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The world’s largest Masonic temple was saved by the White Stripes.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

The only surviving prototype for Buckminster Fuller's house of the future.

Paranormal activity on the great lakes.

This solemn facility remembers the cruel effort to compel Native American children to relinquish their culture.

The final resting place of a prominent Chippewa chief and several Native American children.

In this relatively flat state the highest point is an honored place.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

A sculpture of a giant man escaping from the depths of the Earth.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A castle built by an eccentric medieval enthusiast in rural Ohio.