This two-towered gateway is all that remains of the unluckiest pier in the world.

This 1913 single-screen cinema is a charming survivor in the age of the multiplex.

This tallest folly in the world began its life as an elaborate factory chimney.

For over 500 years this timbered alms house has provided a home for elderly residents of Coventry.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

These bleak 800-year-old ruins were once the royal residence of choice for hunting in Sherwood Forest.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

The red letters in the literary pavement leading to the library form a mysterious code.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

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

What was once England's second-richest abbey is now a haunting ruin.

The first peace pagoda to be constructed in the Western world sits next to a small English lake.

Belfast's namesake river still winds below the city center, hidden from sight.

The luxurious English estate houses the world’s largest private collection of French Rothschild wines.

Though much of the castle was robbed of its stones, the underlying earthworks are among the best-preserved in England.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

London's Victorian Tower of Babel.

These abandoned coal mine towers near Sherwood Forest might soon boast the U.K.’s longest zip-line.

World's largest working waterwheel has been around for over 150 years.

A British plaque explains that a house was built using the spoils of the first international golf bet.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

These medieval monastery ruins are surprisingly overlooked by most tourists.