The Warp Zone in SMB is famous by itself. It continued and gave other games Warp Zones, and it just was a great addition to the game, and a great idea in general for games.
On this page you will find complete instructions on how to find the Warp Zones in SMB with Screenshots.
Worlds 2,3, & 4 Warp Zone
This Warp Zone is in Level 1-2. It is near the very end of the level.
To start, go to where Mario is in the screenshot below.
Worlds 6, 7, & 8 Warp Zone
This Warp Zone Area is in level 4-2. You can even take the first Warp Zone to get there faster. This Warp Zone is near the start of the level.
There is an invisible block right above Mario. Jump and hit it to reveal it.
Now begin to hit all the bricks above you. The furthest brick to the left contains a beanstalk that will bring you to this Warp Zone.
And there you are, the Worlds 6, 7 & 8 Warp Zone!
World 5 Warp Zone
World 5 Warp Zone is located in level 4-2 as-well. It is located at the end of the level, just like the first Warp Zone.
This Warp Zone is located at the very end of 4-2, and you have got to get to the top of the level onto some bricks to reach it, just like the first Warp Zone as-well.
One way of getting up top, is taking some lifts like shown below.
If you don’t want to take any lifts, and just want to go across the level as normal, you can reach the the top of the bricks at the end of the stage.
There you have it, World 5 Warp Zone. This is the most unknown Warp Zone, people take the first two. But Nintendo couldn’t leave out a Warp Zone to World 5.
And there you have it. Instructions to find the Warp Zones.
Make sure to take the Warp Zone sometime. And have your ticket ready.