Tourism in this district is heavily focused on Sri Lanka's heritage, history, and architectural legacy.
* **Colombo National Museum:** Established in 1877, this is the largest museum in Sri Lanka, housing ancient royal regalia, Kandyan artifacts, and historical manuscripts. * **National Museum of Natural History:** Located on the same grounds, featuring exhibits on the island's unique flora and fauna. * **Independence Memorial Hall:** A striking national monument commemorating Sri Lanka's independence from British rule in 1948. * **Colombo Planetarium:** A uniquely designed architectural landmark resembling a blooming lotus flower.