Underworld
The mythic Relm of the Dead, located far underground (aka, Hades; Underworld)
Can you get a ride on Amtrak to the Underworld?
Amtrak is a passenger railroad service operating in North America The Underworld is a fictional location from mythology and religion
Which major regions are covered by the passenger railroad service 'Amtrak'? Is the Underworld part of #1?