Croatia is home to the world's smallest city, Hum, with a population of around 30 people. elaborate share
Ukraine is home to the world's largest collection of Antonov aircraft. elaborate share
India has a post office that delivers mail via a dedicated team of trained monkeys. elaborate share
Moldova has more than 3000 caves, some of which are decorated with ancient cave paintings. elaborate share
Ireland has more castles per square kilometer than any other country in Europe. elaborate share
Vietnam is home to the world's largest cave, Son Doong. elaborate share
South Africa is home to the world's largest population of African penguins. elaborate share
