Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Every president in history is immortalized in bronze in downtown Rapid City.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Concrete spud looks like the North American Sebago.

The sand is such a bright white that on sunny days you practically need sunglasses to look at the ground.

Giant wheel of cheese marks a dairying village.

This tree, with its large oval-shaped scar, is a rare piece of Aboriginal cultural history.

This giant trout was made by a singular fisherman who wanted to honor his local trade.

A small mountain cave tucked away along Kings Highway has become a shrine to the beloved character.

Three-story concrete ram with a permanent gift shop.

One man's artistic vision is a small town government's legal battle.

Outside the National Dinosaur Museum, dozens of dinosaur statues and sculptures claim the landscape.

Children's playground hidden under a big pink and blue cap.

This church's unusual design comes from its previous life as a mortuary station.

With a surface area of nearly 500 square meters, welcome to the world's largest paraboloidal dish solar concentrator.

A stargazing sculpture made from the ruins of an iconic telescope.

It's home to the antenna that received the first images of Neil Armstrong walking on the moon.

From a distance, this statue of an eagle looks like a giant chicken on a stick.

This roadside attraction became locally famous for its unintentionally phallic shape.