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

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

The 606 is a decade in the making.

Beloved bar home to musicians of all eras and reputations.

Combination beer garden and music venue in the heart of Wicker Park.

The palatial McDonald's that inspired Wesley Willis.

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

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

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

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

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A hands-off space for graffiti artists to hone and display their skills.

Giant, friendly pelicans in Central London, the most unlikely of places.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This historic club for wayward boys has shaped some of the biggest names in music almost as much as they have shaped it.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

The footprint of a frustrated devil in Munich's Cathedral.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

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

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The ancient tomb acts as a calendar that keeps perfect time.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.