Penang Tunnel Museum (Penang Time Tunnel)

Home to colonial architecture and some of the best street food in Asia, Penang’s charm is undeniable. The small size of Georgetown—the UNESCO World Heritage Site that serves as the island’s diverse cultural center—makes it easy to explore in just one day. Here’s what you need to know.

With three days in Penang, you’ll have time to check off the top city sights and take a day trip elsewhere. Go hiking in the national park, observe orangutans and reef sharks, or even spend a few hours in a different country. Here are some options.

From the shophouses of Beach Street to the rusty cannons of Fort Cornwallis, here are the colonial sites you can’t miss.