Hit the books: Study wildlife conservation, sustainable development, food security, take public health courses at the University of Dar es Salaam, and don't forget to brush up on your Swahili!
Hit the beach: Stay close to home at Kunduchi, or take the ferry across to go diving and frolic on the sparkling white sands of Zanzibar.
Since its founding in the mid-1800s by the Sultan of Zanzibar, this busy port city has developed into the cultural, economic, and educational capital of the country, and East Africa's largest city. Its history, architecture, and culture present a fascinating blend of the diverse influences on the city's development, including Swahili, German, Asian and British.
The heart of this colorful metropolis of four million is its famous fish market, which bustles with activity beginning well before dawn and is definitely worth a visit, even if you're not a seafood fan. If you've got a sensitive nose, head toward the amazing Village Museum, where curators have painstakingly recreated the traditional homes of local tribes in an open-air setting that takes advantage of the region's year-round sunshine. Dar also allows easy access to the island of Zanzibar, a major tourist destination that sits just a 90-minute ferry ride away.