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

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

At the United Kingdom's only residential library you can sleep among the books.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Stonehenge has nothing on Castlerigg’s views.

A museum wholly devoted to juvenescence.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

The stately remains of Llywelyn the Great's mighty fortress.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

This crumbling folly looks like an enchanted left over from Middle Earth.

A open air theatre built on a cliff by an eccentric British woman.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

This haunting stone chasm is a hotbed of mossy rock and English legend.

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

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.