Explore actual WWII tunnels, bunkers, and fort ruins spread across a hilltop—you'll crawl through underground passages and see original defense structures firsthand. Bring water and mosquito repellent; the authentic, weathered site rewards visitors who hit every corner.

Don't expect a sprawling marine wonderland—this 1980s education-focused aquarium in Batu Maung is small, modest, and genuinely excellent at what it does. RM5 gets you fish tanks showcasing Malaysian waters, free parking, and roughly 1.5 hours of actual entertainment.

Engineers and road-trippers who crave dramatic scale will find the 24km span mesmerising—16.9km stretches over water with views of islands and open horizon, especially striking at sunrise or sunset. The separate motorcycle lane and rest stop with restrooms on the westbound side make it genuinely functional to savour.