Since we just left Summer and it's quickly fading into Fall... and then Spring, it's a great time to start this project.
Find a location such as a specific point at a lake where you can set the camera up and take a photo. Return to that spot at various points throughout the year and take a picture. Then [at the end of this year] you will compile the photo into strips to demonstrate changes.
Depending on the subject and the time of year, you may be able to achieve this effect by taking a series of pictures over one day -- especially if you go dawn to dusk.
Here's a good example: