https://www.econnectjapan.com/ – SIM cards for internet access. Google maps has all the subway schedules, one only needs to say “I am here and want to go there” to get guidance.
Amanohashidate fishers village, mountain with lift
Ine, Kyoto prefecture: port seeing/ship cruise
trains: Japan has some special trains, many very expensive though. Twilight express, train suite, ななつ星in九州. Tickets start at $2.500 for one overnight trip.