Question: must do oahu north shore?
Answer: VISIT WAIMEA BAY & JUMP OFF THE ROCK. ... 
HIKE WAIMEA VALLEY & SWIM IN THE WATERFALL. ... 
SWIM WITH THE SHARKS. ... 
FIND PETROGLYPHS AT KE IKI BEACH. ... 
HIKE KEALIA TRAIL. ... 
SEE HONU (SEA TURTLES) AT ALI'I BEACH PARK. ... 
EAT AND PARTY LIKE THE HAWAIIANS AT THE POLYNEISAN CULTURAL CENTER.