<Tr> <Th> 49 </Th> <Td> 4.23 </Td> <Td> "Sacramento Tunnels" </Td> <Td> Sacramento, California, US </Td> <Td> April 15, 2011 (2011 - 04 - 15) </Td> </Tr> <Tr> <Td_colspan="5"> GAC investigates the Sacramento Tunnels (Old Sacramento Underground), as well as other reportedly haunted locations in Old Sacramento State Historic Park in Sacramento, California, such as the old Eagle Theatre, and the original California Supreme Court . </Td> </Tr> <Tr> <Th> 50 </Th> <Td> 4.24 </Td> <Td> "Hales Bar Marina and Dam" </Td> <Td> Haletown, Tennessee, US </Td> <Td> April 29, 2011 (2011 - 04 - 29) </Td> </Tr> <Tr> <Td_colspan="5"> Zak, Nick, and Aaron travel to Guild, Tennessee to investigate the Hales Bar Marina on Lake Nickajack, as well as the former Hales Bar Dam, a hydroelectric dam on the Tennessee River which now serves as the resort's dry dock . </Td> </Tr>

When is season 15 of ghost adventures coming out