Cities of the Underworld
Season 1, Episode 6: City of Caves
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Budapest is built upon on network of natural limestone caves that have been in use since humans first moved into the area. While exploring the caves Eric shares their color history which includes several violent periods in Budapest's past.
All Episodes - Season 1
Episode 1
Istanbul
Episode 2
Scotland's Sin City
Episode 3
Hitler's Underground Lair
Episode 4
Rome's Hidden Empire
Episode 5
Catacombs of Death
Episode 6
City of Caves
Episode 7
New York
Episode 8
London's Lost Cities
Episode 9
Beneath Vesuvius
Episode 10
Freemason Underground
Episode 11
Dracula's Underground
Episode 12
Secret Pagan Underground
Episode 13
Underground Bootleggers
Episode 14
Rome: The Rise