Cold war icon and onetime "hole" in the iron curtain.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

One of the town's most famous residents, holding one of his most famous creations.

These planks were originally installed to hold the dead.

These carved, weathered stones once gave mail carriers and pub goers a leg up.

A living time capsule of the 1960s Richardson Bay water-front.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

These barriers stand as stark reminders of Northern Ireland's troubled past.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

The little-known second castle that William the Conqueror built in York.

This unique creation was used to house and wash sheep prior to shearing.

This small Roman arch was transformed into a dwelling by the founder of the Trinitarian Order.

The longest and steepest staircase locks in the United Kingdom.

This iconic building was founded as a school for the impoverished, but became one for the sons of the local gentry.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

Once the longest swing bridge in Europe.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

The once-a-day siren is a reminder of the days before time was standardized.

The Real LegoLand.

This 19th-century monument served an important purpose for fishermen thanks to its built-in barometer.

A replica of one of the most complete mammoth skeletons discovered in England.

This Iron Age hill fort remained hidden until a series of storms revealed its history.

The oldest working Brewery in Britain.

A 13th-century fortified manor house that was once sieged during the English Civil War.