Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Old Danish castle immortalized in Shakespeare's Hamlet.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

This sublime architectural marvel is a rare example of an expressionist church.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Copenhagen's celebrated theme park and gardens.

An alien church provides much needed silence in the midst of a Finland shopping center.

A subterranean house of worship carved right out of the bedrock.

Hot Doug's "Hot Dog" Stand.

The palatial McDonald's that inspired Wesley Willis.

A European-style bath house in Chicago.

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

Landmark Chicago building narrowly avoided destruction.

Once an ornate movie theater remade by Catholic Charities.

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

Huge abstract sculptures of the Puerto Rican Flag.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

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

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

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

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

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