If using Desktop, click HERE.
If using the App, click HERE.
1) Click the three white lines in the upper left-hand corner. Click Get-Togethers. After it expands select "Get-Togethers Joined".
2) This will bring you to the page where your Get-Togethers you have joined will be located.
If you need to leave the Get-Together, click the name of the Get Together to be taken to the Get-Together details.
3) Click "Leave Get-together".
Now that you have you can see the get togethers you've joined why don't you go over to browse through them HERE.