This was once the largest four-sided clock in the world (yes, even bigger than Big Ben).

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Statue dedicated to the star of an old television show.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

A factory in Milwaukee where poop is reclaimed… and recycled.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

One of the oldest and tallest lighthouses still in service on Lake Michigan.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

The birthplace of a titan of American cinema.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

In the middle of Calvary Cemetery stands this singular memorial to a small boy who died too young.

These murals have been brightening a Chicago beach for more than 30 years.

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

No one knows how many bodies are in this vault in a Chicago public park.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

All of Chicago's wood-paved streets are long gone but two alleys remain.