Largest lake in Great Britain measured by surface area.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

The heads of two giant mythological water horses honor Scotland's horselord past.

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

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

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

Spend the night in this formerly abandoned traditional Scottish village.

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

360° views of the city plus five floors of optical illusions and hands-on science.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Abandoned ship reimagined as a street art canvas.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

This 1776 beacon on the coast of Wales is said to have a ghost called Raymond, the last lighthouse keeper.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

A Welsh sheep farm provides daily (non-sheep) meals to red kites, producing dazzling displays of aerial acrobatics.

One of the few surviving street funiculars in the world.

Legends say that this small island was the final resting place of the Welsh saint of lovers.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

The longest and tallest aqueduct in Britain can actually be sailed across.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.