Dedicated to the 4th Baronet of Sledmere.

Isaac Newton's former home, where the famous apple tree still stands.

This medieval manor house was equipped with secret compartments for hiding priests.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

Take afternoon tea in a 17th-century almshouse.

Astonishing rock formations dot the Brimham Moor landscape.

This collection of ancient structures makes up part of the largest group of prehistoric earthworks in Britain.

The bizarre headgear looks like it was made for a fool, not a king.

One of three sites in England that house the National Collection of Arms and Armour.

This tallest folly in the world began its life as an elaborate factory chimney.

Locals spent years successfully fighting to save this beloved Brutalist behemoth from demolition.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

This windmill is believed to be the oldest in the British Isles.

These ruins of Francis Bacon's once-magnificent manor are hidden in the English countryside.

This stately estate house features a tower covered in a bright, modern mural.

Stroll through Welsh history in a village of reconstructed structures.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

A church that bred legends, and served as an inspiration for the Da Vinci Code.