Can I travel to China without visa?

Can I travel to China without visa?

US/UK/Australia/New Zealand/Canada citizens(actually most western country citizens) planning to visit China's mainland must apply for an entry visa through the Chinese Embassy or Consulate General. ... With US/UK/Australia/New Zealand/Canada passport, citizens do not need a visa to enter Hong Kong, but travelers who plan to visit China's mainland while in the region will need a visa to travel from Hong Kong to China.
However, some cities including Beijing, Shanghai, Guangzhou, Xian, Chengdu, Chongqing etc. that allow 24-hour/72-hour direct transit in China, also called the 24-hour/72-hour transit without visa, regulates that visa is not required for air, train, and ship passengers transiting in mainland China for a stay of no more than 24 hours/72 hours before heading for a third country or region for most western country citizens.