Industrial area where Mr. Yin leads the team and captures Juliet in episode 4x16 "Mr. Yin Presents".
(I'm fairly certain this is here) Warehouse where Mr. Yin draws Mary and later the team in episode 4x16 "Mr. Yin Presents".
Woody answer's Shawn call in his trailer which is parked in a sketchy industrial area and not the beach in episode 7x09 "Juliet Wears the Pantsuit".
Oliver and Tommy are kidnapped and interrogated by masked thugs in an abandoned warehouse in pilot episode.
Helena attacks a Triad meeting in a dark alley in episode 1x08 "Vendetta".
Oliver enters an abandoned subway station and gets on the train The Savior is performing his broadcasts from in episode 1x18 "Salvation".
Ray Palmer goes to investigate Jake Simmons at a warehouse in episode 3x19 "Broken Arrow".
Oliver attempts to escape and is chased down by Maseo Yamashiro in episode 3x01 "The Calm".
Oliver goes to Count Vertigo's warehouse and attempt to take him down in episode 3x01 "The Calm".
Oliver and Lance chase a criminal through some tunnels in episode 3x01 "The Calm".
Oliver chases the truck driver through a warehouse and catches him in episode 3x01 "The Calm".
Helena attacks a group of mobsters playing cards in a warehouse in episode 1x08 "Vendetta".
Oliver, Roy, and Diggle go to warehouse only to find the criminals they were searching for were already taken out by another vigilante in episode 3x06 "Guilty".
In a flashback, Oliver saves Carrie Cutter's life, and later he confronts her in episode 3x07 "Draw Back Your Bow".
Warehouse where the shape-shifters shows up at the start of episode #219 "The Man from the Other Side".
Warehouse where Lincoln Lee and Robert Danzig are chasing a shapeshifter at the start of episode #401 "Neither Here Nor There".
Location of The Machine after it has been moved starting in episode #321 "The Last Sam Weiss".
The Fringe team over there tracks the shapeshifter down to this area in episode 4x17 "Everything in Its Right Place".
John and Frank travel here to investigate Vietnamese funeral parlors in episode 1x02 "Blood Lines".
John chases a suspect to this street who then escapes mysteriously in episode 1x07 "Mind Games".
Police break open the door to this warehouse which then explodes in episode 1x11 "John D.O.A.".
Warehouse where the suspect keeps his hostages in episode 1x13 "Family Man".
Street where all the murders take place and where John is shocked again to reactivate his powers in episode 1x19 "Shock to the System".
The Devil shows Sam a fight club where a whole group of souls are in episode #201 "A New Hope".