This striking art museum holds an amazing series of curiosity cabinets.

A unique botanical garden housed in three giant geodesic domes.

A mini Wrigley Field for mini baseball players.

A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

A six-story-tall golden pyramid, surrounded by a moat.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

These abandoned grain silos and tunnels are an urban exploration dream.

Internationally known record store and purveyor of "dusties."

Roses and other fascinating flora fill this garden built to commemorate Britain's immortal Bard.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

A historic and oft-filmed prison stands in a Chicago suburb.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

This historic store hides a museum exhibiting a shoe-sizing x-ray machine and a pair of kicks that once belonged to the world's tallest man.

This overgrown Illinois water park offers a whole new type of adventure.

The only place in America where anyone who wants can shovel coal aboard an antique train.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

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

The clothes-washing king doubles as a community center with some unusual features, including an aviary filled with finches.

Ornate limestone building now filled with geologic specimens, and more.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

Whether his story is true or not, Stiffy Green is the most beloved bulldog in all of Indiana.

A hidden grotto on the grounds of the Kane County Government Center.