The most popular are Nature and Travel, but there are endless possibilities for time lapse.
Nature videos could include weather (clouds rolling by, snow melting, flowers blooming) space (the moon rising and moving across the sky), or animals (the life cycle of a caterpillar, ants tunneling through an ant farm).
Here’s a compilation video of some cool nature time lapse videos:
Travel videos could show a hyperlapse through an entire city, or just movement of people at a busy intersection like this time lapse taken in Time Square:
Another idea for a time lapse video is showing DIY, crafts, or art being made at a fast rate. It’s a fun way to showcase a “before and after” besides using two photos side by side.
Here’s an example of an artist making a chalk picture of Super Mario: