What's hiding under San Diego? San Diego’s Forbidden Underworld

San Diego's underground secrets revealed—from hidden tunnels and lost bunkers to buried history and forgotten legends. FREE San Diego "Top Must-See Spots" eBook Here! 👉 http://bit.ly/Voyager-eBooks

Watch this Next:
San Diego - https://youtu.be/nmfrKHAPyXo?si=5rmq5tF6yeGXihfd
La Jolla - https://youtu.be/fWDHUwoqDGE
Pacific Beach - https://youtu.be/lIqWc8k61uM
Coronado Island - https://youtu.be/SdlY43BJEbY
Point Loma - https://youtu.be/pTDsm2BfeXw
Encinitas - https://youtu.be/I3-lYkUO52w
Ocean Beach - https://youtu.be/42zh5lYD4-k
Oceanside - https://youtu.be/1TM16kAAoII
Del Mar - https://youtu.be/mhtCKMl7cB0
Old Town - https://youtu.be/P9uW8P0To3w
Balboa Park - https://youtu.be/48Ix_6X26r8

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0:00 San Diego’s Hidden Underground World
1:1 Infrastructure Beneath the Streets
1:42 La Jolla’s Ancient Burial Site
2:27 Buried Graves Beneath Streets
4:05 The Toxic Legacy of the Mission Bay Landfill
5:50 Sunny Jim’s Cave (Prohibition Tunnel & Sea Cave)
7:06 The Controversial Cerutti Mastodon Site
9:15 Forgotten Aerospace Testing Sites
10:22 Chinese Tunnels & Prohibition-Era Passageways (Gaslamp Quarter)
11:20 Courthouse Tunnel (Inmate Transport)
11:55 Forgotten Cemetary
13:10 Rum Runners Cave (Bootlegging History)
14:24 The Torrey Pines Hermit’s Hidden Sandstone Cave
16:07 WWII Bunkers Beneath Point Loma
18:01 Cross-Border Smuggling Tunnels (Tijuana to San Diego)
20:43 Abandoned Mines
22:09 Keep Exploring

#sandiego #sandiegohistory #californiatravel #topthingstodo

About:
In this video, Armando from Voyager uncovers San Diego’s hidden underground world. From forgotten Prohibition-era tunnels and buried gravesites to long-lost military bunkers, ancient archaeological finds, and secret smuggling routes—this deep dive reveals the fascinating, and often eerie, history buried beneath the city. Whether you're a local or a visitor, you’ll never see San Diego the same way again.