Labeled by UNESCO as the smallest school in the world, Kalou School in Iran has a total population of 4 not including soldier turned teacher Abdol-Mohammad Sherani.
Created Wu Ruishen the smallest teapot in the world weighs in at only 1.4 grams.
Sark Prison, found on the Channel Islands was built in 1856 and only had room for 2 prisoners which sometimes made for some extremely crowded conditions.
Native to the tropical rain forests of South America, the pygmy marmoset tops out at a weight of only 4 ounces.
Smallest Postal Service
Abbreviated WSPS, the World’s Smallest Postal Service in San Francisco transcribes your mail into a miniature version before sending it.