Visit Wat Xieng Thong, the most ornate temple in Laos

Climb to the top of Phousi Hill for sunset views over both rivers ($3 entry)

Watch the alms-giving ceremony at dawn (observe respectfully from a distance; do not touch monks or use flash photography)

Swim in the turquoise pools at Kuang Si Falls ($3 entry, 30 km from town)

Explore Pak Ou Caves by boat (Buddhist caves filled with thousands of Buddha statues)