The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

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

This series of Scottish caves has no clear purpose other than baffling historians.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

It is against the law to obstruct the view from the top of this English burial mound.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

Huge winged monument in the United Kingdom.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A modern English garden of eccentric beasts, follies, and oddities.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

This centuries-old canal known as the Cuckoo Dyke has a staircase of locks suitable for a giant.

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

The sign at the garden gate reads: "These Plants Can Kill."

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

All that remains of the fishing-vessel-turned-warship is its weathered hull.