The stately remains of Llywelyn the Great's mighty fortress.

This surreal art house looks like a geometric version of a small chapel.

This sculpture pays homage to Shakespeare and his reference to a Manningtree tradition.

One of the oldest surviving buildings in Colchester dates back to the 11th century.

Two larger-than-life Sean Henry sculptures blend in with the people of Colchester's high street.

The largest Victorian water tower in Britain.

It's believed emperor Hadrian himself funded this once architectural wonder.

One of the largest medieval barns in England and architecturally one of the finest.

Dating back to the early 12th century, this is the first Augustinian priory established in England.

Centuries later, the victims of Great Britain's greatest hysteria are finally being remembered.

Eat and drink at a pub older than the Magna Carta

Does being buried standing up help you get into heaven faster?

The history of this famed tree ranges from an 18th-century highway robber, to the Scout Association.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

In the 1930s, people used to take boats from the mainland to see this Art Deco venue.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Eighty million natural history specimens call this gargantuan museum home.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

One of London’s rare Tudor-era buildings is a fate-defying gatehouse for a church.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

Public access to clean drinking water was an instant hit among the masses.