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

A kitschy, creepy St. Louis mainstay.

A century-old network of freight tunnels underneath the city's historic business district.

From banquet hall to Masonic Lodge and now concert venue, Ganz Hall is a breathtaking glimpse of into the golden age of American architecture.

The remnants of Peoria's proud baseball past stand slightly abandoned, but not forgotten.

The oldest experimental corn field in America is still creating better ways to grow crops.

This art gallery and oddities boutique bewitches visitors with a trove of occult trinkets and eccentric antiques, work by an ever-changing roster of underground artists, and classes in tarot and other mystic arts.

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.

Parking lot where a Chicago mayor was inaugurated under very sketchy circumstances.

An Art Deco gem that held together the artistic heart of an agricultural community for 92 years.

This odd stone memorial remembers a loyal dog who offended the rail barons with his speed and saved his master with his pee.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

Chicago’s incendiary role in the labor movement.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

A former atom smasher turned into an art gallery.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Julia Buccola Petta's body was peculiarly well-preserved when it was exhumed six years after her death.

The dream home of an iconoclastic renaissance man still stands as a monument to his domestically mundane vision.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

This historic lavatory leftover features two levels of defecation stations completely without context.

A small Chicago museum filled with thousands of preserved butterflies, beetles, and more.

A towering Art Deco movie palace made to look like a Mayan temple.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."