These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

A historic and oft-filmed prison stands in a Chicago suburb.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

World's second largest particle accelerator, where nature reveals its secrets.

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

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

First planned industrial community in the United States.

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

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

A science teacher's dream.

A speakeasy takes on Chicago's drinking culture.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Rising from the sea like a stone monster.

A sulfuric martian landscape that looks far better than it smells.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Iceland's largest lagoon is home to stunning multi-colored icebergs.