The world's largest commercially available hamburger is complete with 15 pounds of lettuce, 30 pounds of bacon, and 36 pounds of cheese.

Internationally known record store and purveyor of "dusties."

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

First planned industrial community in the United States.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

An avant garde art museum at the University of Chicago.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

A hollow cement depiction of time's inexorable effect on the human body.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

A strange rock in Chicago marks the spot where a tree once stood in honor of the 18th President.

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.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

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

An unassuming store hides relics of its former life as the jazz club that hosted some of the best black performers of the 1920s and '30s.

Former meatpacking facility turned vertical farm and sustainable business complex.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Medical museum focused on antique anesthesiology equipment.

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