Wander Cuba Street for cafes, buskers, record shops, and the Friday/Saturday Night Market

Watch the sunset from Mount Victoria lookout (free, 30-minute walk from CBD)

Visit Zealandia, the predator-free ecosanctuary (discounted entry for backpackers)

Hike the Skyline Walkway for panoramic harbour views

Spend a half-day at Te Papa museum (free; allow 3+ hours for the main exhibitions)