Today history: The ICN RABe 500 017 "Alice Rivaz" tilting train drives down the old Gotthard main line and just crosses the middle "Meienreussbrücke" at Wassen. In the background on the right you can see the well known church of Wassen.
Acela (US), TGV (FR), Velaro (Ger, although there are British, Chinese and Russian versions as well)
There are other systems, such as the Japanese Shinkansen.