What on Earth? Season 12 Episode 4
Turkey's Lost Terror Dome
Aerial drone imaging captures a circular man-made structure that appears to be centuries-old in the remote forests of Aydin, Turkey; experts investigate a lost ancient amphitheater with a history steeped in gladiatorial bloodshed.
12 - 10Arctic Hunters of NorwayMar. 16, 2023- 12 - 9Secrets of Biosphere 2Mar. 09, 2023
- 12 - 8Ghost Ship of IrelandMar. 02, 2023
- 12 - 7Nevada's Mystery MarkingFeb. 23, 2023
- 12 - 6The Boneyard of ArizonaFeb. 16, 2023
- 12 - 5Blood Feud of Gresham CastleFeb. 09, 2023
- 12 - 4Turkey's Lost Terror DomeFeb. 02, 2023
- 12 - 3Indiana's War FactoryJan. 26, 2023
- 12 - 2Mystery of the Fallen StarJan. 19, 2023
- 12 - 1Bullseye in the SkyJan. 12, 2023
