Did aliens influence mankind in ancient times? Yet another season for the show that has been saying "yes" since 2009 ...

[music playing]NARRATOR: Aswan, Southern Egypt, March 1813.Swiss explorer Johann Burckhardt is traveling northalong the Nile River when he comesacross three massive stone heads protruding from the ...

Proponents of ancient alien theories point to megalithic structures, strange inscriptions, and myths of gods descending from ...