This crumbling coast and its teetering tower are literally filled with history, but they are also at great risk of becoming history themselves.

This ancient causeway can flood daily, leaving Mersea Island as a true island for hours at a time, and cutting its 7,000 residents off from the mainland.

This stretch of beach is the site of a prime watering hole and a primate watchtower.

This may be the smallest length of railway in the United Kingdom.

This ancient fort overlooks the site of a disastrous retreat from the English Civil War.

One of the smaller hillside chalk horses was designed and cut in by a group of local students in 1804.

England's only square-dimension hill horse was built to celebrate Queen Victoria's coronation.

The only pub in the world surrounded by an ancient stone circle.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Europe's largest prehistoric mound – burial site of a legendary king?

It's possible to walk inside one of the largest Neolithic tombs in Britain.

The geoglyph once sported a glass bottle eye.

This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

In 1999, a new equine figure was cut into this English hillside near the site where an older white horse had previously appeared.

Legend says the people of Wiltshire got their "Moonraker" nickname from this small pond.

The plaques around this 19th-century structure recall some rather strange tales.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

This figure was cut into the hillside in 1937 to commemorate the coronation of King George VI.

Death hangs in the air here, where a 17th-century gibbet has been erected on a Neolithic tomb.

This suburban British town holds secrets that would have made the druids proud.

Before firefighters, villagers relied on this simple hook to save their thatched cottages from a fiery doom.

The site of the notorious Great Train Robbery of £2.6 million, one of the biggest heists in English history.

In the 1970s, the citizens of several small villages came together to stop their homes from being destroyed for a new airport.

A herd of half-sized cow sculptures has stood in this part for nearly 50 years.