Ancient cities rediscovered or still sought. Play the Lost Cities trivia quiz solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
This ancient Incan city sits high in the Peruvian Andes and was never found by Spanish conquistadors.
Difficulty: EasyThis massive canal system at Angkor, recently mapped by LiDAR, supplied water to nearly a million people and may have failed due to climate change.
Difficulty: MediumThis technique analyzes ancient DNA from bones and teeth to determine migration patterns and population relationships in lost civilizations.
Difficulty: HardThis legendary island civilization supposedly sank into the ocean in a single day and night, according to Plato.
Difficulty: EasyThis Greek term describes the phenomenon of a city being built in multiple layers over centuries, as seen at Troy with its nine distinct settlement levels.
Difficulty: MediumThis pre-Columbian site in Bolivia features massive stone blocks with precision-cut H-shaped grooves that once held metal clamps.
Difficulty: HardThis ancient Roman city was buried under volcanic ash when Mount Vesuvius erupted in 79 AD.
Difficulty: EasyThis ancient Egyptian capital's necropolis contains the Step Pyramid, the world's first monumental stone structure.
Difficulty: Medium