Eight feet in diameter and more than 24 feet around.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

"...I guess that was your accomplice in the wood chipper?"

The Largest Little Museum in the Northwest.

Tirelessly maintained by a Wisconsin man named JFK.

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

An unusual assortment of art, furniture, and other curiosities.

Funhouse of found art and participatory sculpture.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

This Minnesota town celebrated the state's 100-year anniversary by creating a massive ode to nature's smartest bird.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

The birthplace of a titan of American cinema.

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

A former barn converted into a massive train diorama.

Former hotel turned into haunted playground.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

This remote island in Iowa was abandoned after being devastated by flood.