The most interesting facts about Guinea-Bissau, from hippos adapted to saltwater, to briefly having two presidents and two prime ministers.

A ranking of countries by the prevalence of depression, measured by the percentage of the population suffering from depressive disorders.

The most interesting facts about the Maldives, from the world’s first underwater cabinet meeting to the Earth’s lowest high point.

The most interesting facts about the Dominican Republic, from cars that appear to roll uphill to fossils preserved in amber.

The most interesting facts about Morocco, including a town that’s painted blue, goats that climb trees and the world’s oldest university.

From Africa’s highest mountain to some of the world’s most remarkable wildlife, these are the most interesting facts about Tanzania.