I just wanted to make sure that people were aware of this feature, because I never knew about it until I found it myself.

Within Workflow, there is a "Find Activity" feature. It lets you search for activities within either the current workflow or all open workflows. From the results page you can double-click on a result to jump to the activity within the respective workflow.

It can be found either through Ctrl+F while in Workflow Designer or through the menu at Edit --> Find...