The oldest continuously operating church in California.

A tree grown from astronaut seeds which were exposed to cosmic rays.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Theater has had many different incarnations but has survived the ravages of time.

The faint remains of a Polish news empire still linger.

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

Once an ornate movie theater remade by Catholic Charities.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

Orthodox church partially financed by Tsar Nicolas II.

Where old school Polish Chicago and young hipster Chicago live side by side.

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

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

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

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A European-style bath house in Chicago.

Where Cusack's record store from the film "High Fidelity" was located.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A Bibliophile's Dream.

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