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

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

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

Stonehenge has nothing on Castlerigg’s views.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The largest greenhouse in the world is home to over one million types of plants.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A fantastic castle rumored to be the birthplace of King Arthur.

Eighty million natural history specimens call this gargantuan museum home.

One part local history, 99 parts gruesome haunted house.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Famously misunderstood wonder of the ancient world