About 1 percent of US college students (around 283,000 per year) spend a semester or an entire year studying abroad, immersing themselves in another culture and language while picking up credits toward a degree. More than half go to Europe, though Latin America and Asia are also big draws. But for those who just can’t choose, there is this alternative: Semester at Sea. Now in its 50th year, the program takes students around the world on a ship for interdisciplinary course work and hands-on experience. To learn more, click here.