The Netherlands' first car tunnel has an unusually rectangular shape.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.