Here is a quick list of the various domains of vocabulary you can listen to, see pictures of, and read the words for on the German Pictorial Vocabulary Guide:
Alphabet, numbers, punctuation, body parts, colors, family, women's clothing, men's clothing, vegetables, fruits, farm animals, pets, insects, mammals, reptiles and amphibians, sea animals, African animals, the house, the den, the dining room, the kitchen, the bedroom, the bathroom, landscapes, plants, weather, space, the sea, jobs, school, the farm, the city, business, electronics, computers, communication, science, the car, land travel, travel, music, fantasy, children, babies, games, and miscellaneous.
As you can see, this German vocabulary website covers an amazing array of topics—from the everyday to the less common—making it a great resource for systematic study as well as a good reference if you want to find out a German word from a particular domain along with the proper pronunciation of that word.