Aquapark Limpopo is a big indoor water park on Yekaterinburg's south side, more useful for families and cold-weather downtime than for sightseeing. Slides, pools, and warm indoor air make it a practical contrast to the city's museums, constructivist architecture, and winter streets.
It is worth considering if you are travelling with children or need an easy half-day activity when the weather turns hard. Solo travellers and architecture hunters can safely prioritise the centre, the Iset riverfront, and Yekaterinburg's more distinctive historic stops.