It is against the law to obstruct the view from the top of this English burial mound.

One of the largest mechanical models of the solar system in the world.

A decommissioned tube carriage within a London museum hosts a regular pop-up supper club.

The largest of only eight working transporter bridges left in the world.

The highest lighthouse in Scotland shines from an abandoned island.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

Constructed from recycled wrought iron railroad tracks, it's been described as the most beautiful seaside pier in England.

An 18th-century lighthouse built on a 16th-century castle is now a monument to the maritime beacons of Scotland.

The abandoned transportation hub hides within the Glasgow attraction it once served.

The lake that fills and empties itself at random.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

The wreckage of an old coastal trading vessel is only visible at low tide.

This beach runway is off limits during high tide.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

A miniature village mimics the surrounding buildings so well it includes itself.

A quartet of rusting satellite goliaths are all that remain of a communication network that protected Britain from German and Russian air strikes.

The last manually operated turntable ferry in the world.

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

Replicas of fossils unearthed during renovation work reveal how this area would have looked millions of years ago.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

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

This giant wooden treehouse within a sprawling garden has its own eatery.

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