Ice in a crater of the Vastitas Borealis region of Mars

Ice in a crater of the Vastitas Borealis region of Mars

The many fortifications of the coastal city of Kotor started with a settlement built by ancient Greeks. In the 6th and 15th centuries, additions to the defenses atop St. John mountain extended the ramparts, towers, and turrets that are now a major part of Kotor’s identity as a city. Walk up the ramps and stairs that lead from the harbor where Kampana Tower, seen here, stands, and you’re walking through the city’s history. These centuries-old defenses were so effective, the Axis forces were still using them to stave off an Allied invasion here during World War II.