One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

Seat of the Duke and Duchess of Devonshire for centuries.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

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

This foolish Victorian sea fort was converted to a deluxe hotel.

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

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

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

Hear the quietest sound from across the dome.

Northern Ireland's Brobdingnagian stepping stones.

An unusual round church in London with a Templar past.

Rebuilt remains of a temple to Roman god Mithras.

A student driver's nightmare.

Famously misunderstood wonder of the ancient world

The world's largest collection of witchcraft regalia.

Eighty million natural history specimens call this gargantuan museum home.

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

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.

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