A Museum of Holography frozen in 1974.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

This small-town park in southern Illinois has a 1,000,000-gallon swimming pool and a 100,000-barrel oil well.

Landmark Chicago building narrowly avoided destruction.

Location of the Real World's disastrous, and protested, eleventh season.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This shop for all your super spy needs hides an educational secret.

This 1854 courthouse along the Mississippi River has a storied history.

This mosaic-covered bar is brimming with curated curios.

This historic cliffside mansion uses a natural cave for air conditioning.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Curious cave that stays a cool 56 degrees all year long.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.