Go to the two large trashcans to the right of the Underground Tour entrance. Dig to the bottom of the one on the right. You still can't use them, however, because they aren't yours. Return them to the owner and he will give you one...if you can get his attention.
The trash can you find the Underground Tickets in is already open : it is the "right" one of the pair to the right of the Underground entrance. (Just paw through the refuse to the bottom.)
You can find two tickets to the Underground Tour in the two trashcans to the right of the entrance (dig to the bottom). Once you have gone to the Countryside with a green balloon, you can return the tickets to their owner at the Internet Cafe on Main Street.
You can find two tickets to the Underground Tour in the two trashcans to the right of the entrance (dig to the bottom). Once you have gone to the Countryside with a green balloon, you can return the tickets to their owner at the Internet Cafe on Main Street.
They are in a round trashcan to the right of the Tour entrance. You'll have to sort though the garbage until you find them. (see related question)
go in the underground tour
Although the girl has sold out, you can find two tickets to the Underground Tour in the second round trash can by the Tour entrance. You should return them to their owner, who is at the Web Browser Cafe on Main Street.
Peel of the painting in the house then you will be their
After you find the Underground Tour tickets, go to the Internet Cafe and give them back to the old guy there. If he is too busy playing internet games, you have to distract him somehow. As it turns out, this is accidental if you go to the Countryside and give a green balloon to the boy there.
On counterfeit (or how ever you spell it) island you find the tickets in the garbage near to the right. once you are done that you bring them to him and you will get one of the two tickets
You will find a pair of tickets to the Underground Tunnel Tour in the second large trashcan by the Tour entrance. But you decide to return them. The owner is in the Internet Cafe. You will have to find something to distract him from his internet games. (Take a green balloon from the Clown Store to the Countryside first.)
the lady will ask you for tickets to go in the underground tunnel. go to the right and click on the trash can and move all the garbage. you will find the tickets at the bottom. go to the lady and give her the tickets. it turns out you have to return it to the owner.
To get the underground paper on Counterfeit Island in Poptropica, you need to go into the underground tunnels underneath the museum area. Look for a grate on the ground that you can pry open with the crowbar item. Once you open the grate, go down into the tunnels and follow the path to find the underground paper.