Colombo is the gateway to Sri Lanka and is known as "the Crossroad of the East". Colombo is a typical seaside city in Southeast Asia and enjoys stunning coastal scenery. It has one of the longest artificial harbors in the world, with a coastline of 16 kilometers. What to see in Colombo? The best places to visit in Colombo are Ancient Palace of Sigiriya, National Museum of Sri Lanka, Dolomites, Dhiwela Zoo, Ancient City of Polonnaruwa and Ancient City of Anuradhapura. Colombo National Museum and Bandaranaike International Conference Building are the two iconic landscapes of Colombo City, which are the Sri Lanka's largest collection of cultural relics. Every year from November to march, a large number of foreign tourists come here to visit.