This curious Tudor-era castle was once home to Napoleon's greatest adversary, the Duke of Wellington.

One of the oldest seagoing boats in the world can be found at the Dover Museum.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Britain's tallest megalith towers over the cemetery of a quiet English village.

A 12-foot-tall metal fisherman looks out over the promenade.

Believed to be the longest railway bench in the world.

80 years of the Battle of Peasholm on a small English lake.

This man-made waterfall was designed to help improve access for spawning salmon.

This disused Cold War bunker has been restored to all of its early 60s glory.

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

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

A stunning two-story timepiece within a medieval Brick Gothic church.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

This popular square's history as the former site of a church is right beneath your feet.

Follow the original medieval paths that wind through this intriguing section of the city.

The final resting place of England's most notorious bandit.

A pagan tradition of draping trees with rags eerily lives on.

Where the sleeping monsters of Scotland's oil industry are left to rust.

This lovely Scottish nature walk leads to the source of a local legend.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

A close look reveals that the Scottish monument is just slightly off-kilter.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The world's shortest street was created by an awkwardly placed hotel.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.