Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

More than 5,000 contemporary and "historic" mustards from around the world.

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

This small plaza encourages people diagnosed with cancer to never give up hope.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

This alleyway was named to honor the memory of a beloved local dog.

An abandoned observatory in the middle of the Illinois prairie.

This whimsical fountain pays tribute to Toronto's four-legged friends.

A single handprint, which, according to Ohio State University legend, cannot be scrubbed off.

An office built to look like a giant basket.

The final resting place of one of the most iconic musicians of the '80s.