![Going underground in Japan: Exploring the Seikan Tunnel Museum from Hokkaido to Honshu – Super Cheap Japan Going underground in Japan: Exploring the Seikan Tunnel Museum from Hokkaido to Honshu – Super Cheap Japan](https://supercheapjapan.files.wordpress.com/2022/11/2f18a-seikan_tunnel3.jpg?w=750)
Going underground in Japan: Exploring the Seikan Tunnel Museum from Hokkaido to Honshu – Super Cheap Japan
![Takanosaki attraction reviews - Takanosaki tickets - Takanosaki discounts - Takanosaki transportation, address, opening hours - attractions, hotels, and food near Takanosaki - Trip.com Takanosaki attraction reviews - Takanosaki tickets - Takanosaki discounts - Takanosaki transportation, address, opening hours - attractions, hotels, and food near Takanosaki - Trip.com](https://youimg1.tripcdn.com/target/0ww3q120008ymnawnBB03.jpg)
Takanosaki attraction reviews - Takanosaki tickets - Takanosaki discounts - Takanosaki transportation, address, opening hours - attractions, hotels, and food near Takanosaki - Trip.com
![Going underground in Japan: Exploring the Seikan Tunnel Museum from Hokkaido to Honshu – Super Cheap Japan Going underground in Japan: Exploring the Seikan Tunnel Museum from Hokkaido to Honshu – Super Cheap Japan](https://supercheapjapan.files.wordpress.com/2022/11/92bac-seikan_tunnel4.jpg?w=640)