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

These mansions date back to Chicago's days as a brewer's paradise.

A hot dog stand where the heads are just as hot as the dogs.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

Home to a protest movement, a bombing, and a dramatic change in labor history.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

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

Pizza with a side of fine art.

A lush green oasis in the middle of Chicago.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

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

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

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

The highest point on the island known for buildings that touch the sky.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

The greatest real estate coup of all time.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.