The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

An underground wonderland in Iowa.

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 statue was denounced by many—including Lincoln's own son.

This 4,000-acre restored grassland in northern Illinois is home to a range of native flora and fauna, from clovers to plovers to a herd of bison.

Walk along the intricate path of this stone labyrinth and gardens.

A source of civic pride, though the reason for its construction is unknown.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

This historic hotel invented the chocolate brownie.

A place to eat for on-the-run agents and espionage enthusiasts.

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

A bypass decorated with large wooden troll carvings.

This cave holds a surprisingly colorful variety of geological oddities.

The museum houses one of the world's largest collections of glass paperweights.

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