It Catches People's Interest
DON’T YOU DARE Get Caught In One Of These Tunnels!
is one of archaeology’s best-kept secrets! Ancient,
mysterious smooth-walled subway systems. Violate these forbidden passages and
stone doors will spring shut behind you. Other ingenious traps will ensure that
you never see daylight again.
are REAL Indiana Jones locations!
In many parts of the world are ancient tunnels under deserts and mountain ranges.
They go on and on...