Cycling Britain

Stonehenge is by far the most famous example of a Neolithic site in Britain. But plenty more fine examples - not just of other henges or standing stone circles, but burial mounds and chambers, ceremonial centres and even homes - exist up and down the country.

Author and photographer Rupert Soskin says experiencing Stonehenge is only first step to discovering more of Britain's megalithic wonders.

From the time of Julius Caesar to much later in the empire, the Romans wanted to secure their northern borders by dominating the Celtic and Germanic tribes. Sites such as the famous walls in Scotland and northern England, as well as the Germanic Limes remind us of the force of the Roman army.

In 2003, Professor Antonia Vicziany, of Australia's Monash University, pioneered a groundbreaking project to record and preserve Kashgar's little documented heritage sites.

The Roman Ninth Legion disappeared from official records around the early part of the 2nd century BC. Legend has it that it marched into Scotland to do battle with the Picts, and never returned. Was this the true fate of one of Rome's most fearsome fighting machines?