If your trip to Arinj is all booked but your itinerary is looking a little empty, let us give you a helping hand.You'll have to jump out of bed early if you're planning to see all the great sights this place has to offer. Mother Armenia and Matenadaran are no-brainers. Yerevan Cascade and Yerevan Opera House shouldn't be missed either.Near the city center, Yerevan Zoo is one sight you might like to consider adding to your must-see list. Yerevan Botanic Garden and Waterworld are also nearby and worth a detour.