Beneath unsuspecting visitors feet, a capsule containing pieces of America’s civil rights history.

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

This stone tower was built to protect Crete from incoming pirates.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

A historic and beautiful Art Nouveau chamber in a historic railway station.

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

This gate served as a small lock-up jail in the 14th century.

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

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

This historic hotel invented the chocolate brownie.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Illegal drag racing two stories beneath Chicago’s streets.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

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

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

Once an ornate movie theater remade by Catholic Charities.

Landmark Chicago building narrowly avoided destruction.

A Chicago Movie Palace Lost to Time.