This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This recently restored timepiece has stood all around Kansas City.

This otherworldly church spire reaches up toward the heavens.

Triangular House built on a leafy residential street in St. Paul.

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

This zombie-themed restaurant stands out in the heart of corn country.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

Built in 1933, this unique ballroom is nicknamed the "floating dance floor."

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

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

A bizarre house filled with an astounding array of collections.

This cave holds a surprisingly colorful variety of geological oddities.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

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

No one knows the origin of this small town’s unique name.

This simple home was the beginning of a long journey for the iconic Western film star.

Millions of dollars worth of sculpture decorate this Iowa city center.

A mysteriously dark cemetery monument fuels stories and legends galore.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.