Knowledge Base Wiki

Underground may refer to:

• London Underground, a rapid transit system

• Underground (1995 movie), a movie by Emir Kusturica

• Tony Hawk's Underground, a 2003 skateboarding video game
• Underground Zone, the first level in Sonic the Hedgehog 2 (8-bit)

• "Underground" (David Bowie song), featured in the movie Labyrinth
• "Underground", a song by Eminem from Relapse

• The Underground, a student newspaper at the University of British Columbia

• Resistance movement
  • Polish Underground State (Polish: Polskie Państwo Podziemne), 1939-1945

• Underground Railroad, an informal network of secret routes and safe houses

• Rapid transit, rail-based transportation systems, which often operate in tunnels