The Forgotten History of San Diego's Tecolote Canyon
![](https://i.ytimg.com/vi/Kr_Sva1J3KM/mqdefault.jpg)
13:35
Forgotten History in Plain Sight - The Temecula Massacre
![](https://i.ytimg.com/vi/LxDS8a1zeSk/mqdefault.jpg)
15:08
The St. Francis Dam Disaster: Visiting the Ruins of the 1928 Catastrophe
![](https://i.ytimg.com/vi/_aoqSwyZpJA/mqdefault.jpg)
22:41
Exploring an Abandoned Railroad and the Johnson Canyon Tunnel
![](https://i.ytimg.com/vi/H37SnbRT3hM/mqdefault.jpg)
23:26
A Journey on Arizona's Historic Williamson Valley Road
![](https://i.ytimg.com/vi/bWvUzffmZbc/mqdefault.jpg)
9:34
World War 2's Forgotten Japanese Balloon Attacks and the Mitchell Monument
![](https://i.ytimg.com/vi/JnIIQymTY3w/mqdefault.jpg)
24:28
Exploring the Lost City and the Sunken Ghost Town of St Thomas, Nevada
![](https://i.ytimg.com/vi/kqTxWiW8x9o/mqdefault.jpg)
11:17
The Swedish Torch: An ingenious 400-year-old invention
![](https://i.ytimg.com/vi/YBtJVlNjxzQ/mqdefault.jpg)
21:58