StarCraft II: Wings of Liberty/Protoss buildings

Gateway/Warp Gate
The gateway is a land based structure that allows the Protoss to warp in various ground units.

Phase Cannon
Phase Cannons are the Protoss' only defensive structure. When enemy units get too close, the Phase Cannon will automatically target and attack them. If the enemies are approaching for a different direction, the phase cannons can be moved for additional defense. However, it cannot attack in transit and is inactive for a short period after reaching its destination.

Stargate
The Stargate is a building that allows the Protoss to warp in various air units.