This Great Dunmow pond was a breeding ground for medical leeches, as well as the testing ground for the world's first lifeboat.

This towering monument is dedicated in memory of a most unusually named, yet heroic, horse.

Two minuscule windows are tucked inside this medieval building.

Four hundred years ago, this turned-about message was carved into one of Winchester Cathedral's exterior walls.

A group of committed locals restored this centuries-old windmill to its original condition.

A once-beautiful retreat is now a crumbling ruin.

One of the first canal boat-lift inclines ever created.

The former "holiday home" for monks at the Durham Cathedral.

A massive glacial deposit that includes a carved staircase to reach the top.

These stained-glass windows are all that remains of a building that was the target of one of the biggest explosions in London after World War II.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

On this headland lies a 19th-century lighthouse and historic gun battery.

There were once more than five stones in this ancient monument.

Three stone bridges straddling the River Gowy form part of the medieval road from London to Holyhead—despite a common nickname, they're not Roman.

This bridge once allowed Dere Street to cross the River Tees.

This place is the subject of local legends about a good witch and a Celtic God.

This small crenelated building was built by a British aristocrat who supported the American Revolution and may have named it in memory of a pivotal battle.

The only museum in the world dedicated to preserving the life and work of American comedian and entertainer, Phil Silvers.

This memorial depicts the unlikely team that won England the Sir Thomas Lipton Trophy.

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

In the 9th-century this small spring-fed well became the location of daily mealtime miracles for one Saxon monk.

A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

The site of an early Arthurian battle and the dwelling-place of prehistoric people and (possibly) an ancient race of giants.

This Victorian footbridge over the River Tees was originally built to carry water from the high moorland to the industrial towns on the coast.