1.) Is there somewhere you can view a histogram for an image?
2.) I'm use to the Levels in Photoshop where I drag the dark slider to the beginning of the histogram and the left one to the ending of it, etc. There seems to be a really small histogram at the bottom of the Levels feature. Is this the same thing? Can it be made larger?
To view a histogram for an image, you are going to want to go to Adjustments > Levels.
Once the levels opens, the histogram is at the bottom.
Unfortunately, you cannot make the histogram larger. You can drag the circles left or right on the histogram to adjust the dark and white values.
For more information on color histograms:
Please let me know if you have anymore questions,