The duration of The Time Tunnel is 3000.0 seconds.
The duration of Death Tunnel is 1.52 hours.
The duration of The Tunnel of Love is 1.63 hours.
The duration of Haiku Tunnel is 1.47 hours.
The duration of The Kiss in the Tunnel is 60.0 seconds.
The duration of Tunnel War is 1.58 hours.
The duration of On the Far Side of the Tunnel is 1.75 hours.
The duration of The Other End of the Tunnel is 1.42 hours.
The duration of Tunnel Vision - film - is 1.17 hours.
The Time Tunnel was created on 1966-09-09.
Time Tunnel - museum - was created in 2007-01.
Tunnel Through Time was created in 1966-05.
Sadly, it will remain closed for the duration of the game. The underground tunnel was closed on purpose due to some suspicious activity. It was open in Pokemon Red and Blue, but to show time progress and change in the Kanto region, it was closed.