Post Content
In Sintra, Portugal, a mysterious, private garden, kept under lock-and-key for the last century, is explored. Winding tunnels stretching deep into the Earth are adorned with various types of iconography, all serving an elusive purpose.
#ScienceChannel #MysteriesOfTheAbandoned
About Mysteries of the Abandoned:
The world’s most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.
Subscribe to Science Channel:
https://www.youtube.com/@sciencechannel
About Science Channel:
Learn about outer space, leading scientific exploration, new technology, earth science basics, & more with science videos & news from Science Channel.
Find us on social:
Facebook: https://www.facebook.com/ScienceChannel/
Twitter: https://twitter.com/sciencechannel
Instagram: https://instagram.com/sciencechannel
TikTok: https://tiktok.com/@sciencechannel Read More Science Channel
#sciencechannel
#science
