• 58:35 - 1:01:23
Harry Hubbard | Ancient Map Mysteries, Phantom Islands, & The Hollow Earth
Ancient Coin Vault, YouTube Channel and Subscription Goals
Harry Hubbard promotes his YouTube channel and his new video series, "Ancient Coin Vault," which covers 30 years of coin collecting. He directs listeners to his websites, illinoiscaves.com and alexanderhelios.com, where his books and articles are available. Hubbard and Greg Carlwood encourage the audience to help the channel reach its goal of 1,000 subscribers.