India's oldest synagogue, built in 1568, with hand-painted 18th-century Canton tiles and a 1791 Dutch clock tower.
A 15th-century Portuguese basilica in Fort Kochi, free to enter, with Sunday hours limited to just 10:30am-1pm.
Kerala's largest archaeological museum, set in the former Kochi royal palace, with a deer park and botanical garden on the same grounds.
A 1545 Portuguese-built palace in Jew Town, Mattancherry, now a museum of Kochi royal murals and artefacts, shut every Friday.
A lakeside park in Kolenchery with boating, fishing and a walkway, 20 km from Kochi on NH85.
The exact spot in Muvattupuzha where the Thodupuzha, Kothamangalam and Kaliyar rivers merge into one.