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.

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

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

A Bibliophile's Dream.

A speakeasy takes on Chicago's drinking culture.

A lush green oasis in the middle of Chicago.

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

This public art pays homage to the baseball legend and civil rights icon and his time in Montreal.

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

Eat the ultimate iteration of Portugal's most beloved pastry.

A haven for book enthusiasts across the street from Retiro Park.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

Krakow's own version of the Hollywood Walk of Fame.

Fuel your honky-tonking with this venue's unbeatable “Recession Special.”

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

This massive blockhead sculpture hides an entire library.

A fortified palace in the shape of a ship on the Thiou river.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

This hidden garden boasts amazing views of Lyon.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.