This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

The largest public library in the United Kingdom was designed to reflect the industrial and artistic history of the city where it stands.

The oldest Roman lighthouse still in use.

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 first archaeological site discovered by aerial photography.

Famously misunderstood wonder of the ancient world

This modest relic, with rich history as a strategic fort through multiple eras.

A free public golf course hides in plain sight in the heart of Scotland’s capital.

A six-ton wedding present for the King of the Scots.

This extraordinary Viking artifact has traveled throughout the city.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Long before mobile phones or GPS were available, these sentry boxes provided help for motorists in need.

One of the few surviving street funiculars in the world.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Three bridges straddle a stream, one stacked upon the other.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

One of the shortest streets in York has an especially odd name.