The Bund is a section along the Huangpo district in Shanghai, previously a British, then American, settlement, given as concessions to foreign powers during the 19th century. It is now home to several banks, malls and several historical buildings. Among the interesting buildings I've seen are the site of the International Opium Commission, the Peace Hotel, and the HSBC building.
How to Get there:
The Bund is opposite the Pudong district, so from Pudong it may be reach via the sight-seeing tunnel. If by subway, take Line 2 then get off at East Nanjing Road station.