Swing by Centro de Visitantes Alakush for some useful tips before you set out exploring. It's an one-stop shop for tourist information.
This tourist information center in Ushuaia is popular with many travelers, so leave a spot for it on your travel itinerary. However, don't end your sightseeing there. There are plenty more places waiting for you to experience after Centro de Visitantes Alakush. Tierra del Fuego National Park, Ushuaia Bay, and Islas Malvinas Monument are nearby.