Welcome to a bonus episode of the Seven Wonders of the Ancient World Series! Today we're tackling the hunt for the Hanging Gardens of Babylon. Were they actually in Nineveh instead?

After a thorough restoration, workers are returning the 150-year-old copper statues to the top of Notre-Dame Cathedral.

I took a micro-cruise in Croatia to see a half-dozen UNESCO World Heritage sites, and the country’s quieter corners, too ...