INTRODUCING PACIFIC EXPLORER. INTRODUCING PACIFIC EXPLORER. P&O's newest addition, has joined the P&O fleet with fresh designs reflecting the best of modern Australia. Pacific Explorer adds even more elegance to cruise holidays. The extravagant design brings a feeling of space and freedom to enjoy cruising your way. Waterslides and Waterpark: Hours of fun on Pacific Explorer's exhilarating waterslides! Swim and splash the day away at the exciting new waterpark featuring a range of larger than life interactive water features.