Nature is full of surprises, and some of them are really strange! One of the coolest is the Qiantang River in China, where ...

China’s Qiantang River has the world’s largest tidal bore, which can go up to 30 feet high and 25 miles per hour. The strongest bores are formed in the fall, making the region a hotspot for ...

He rides what is known as a tidal bore: a surge caused by tidal changes – in this case in the Bristol estuary – that creates a wave large enough to surf. An enthusiastic and close-knit ...

In 1955, Colonel John Churchill, known as "Mad Jack", became the first person to surf the bore, standing atop a homemade board. According to the Museum of British Surfing, this is thought of as being ...

The moon causes a tidal bore that reverses the flow of the river and slows the earth’s spin each day These Brazilians are about to surf in a very unlikely place: the Amazon River. During full ...

This tidal bore is largest in September. The Banzai Pipeline in Oahu, Hawaii, gets our vote for the most dangerous surf wave. It tosses boarders directly into a shallow reef. At least ten people ...

Watch a clip from the BBC One series, Coast to learn more. The Severn Bore is a unique phenomenon that occurs when a large tidal surge pushes sea water up the Severn Estuary and into the River ...