Some of the world's most incredible engineering projects are now deserted. Revisit a Soviet megastructure, a massive Nazi brainwashing complex, and a dangerous desert pass to find out how they were built and why they were mysteriously abandoned.
By entering your email address, you agree to our Terms of Use
and acknowledge the Privacy Policy.
discovery
and its affiliates
may use your email address to provide updates, ads, and offers.
To withdraw your consent or learn more about your rights, see the
Privacy Policy.