Catacombs turned marketplace.

The longest hedge maze in the world.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The curios of pharmacist and collector Henry Wellcome.

Eighty million natural history specimens call this gargantuan museum home.

Famously misunderstood wonder of the ancient world

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Hidden beneath the streets of London is a secret subway that only carried mail.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

Tourists who rely on a transit map to find the iconic Beatles location often end up in a far-off neighborhood.