This mysterious hilltop collection of Druid carvings isn't quite what it seems.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

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

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

Stonehenge has nothing on Castlerigg’s views.

One of the highest Roman forts in Britain is set amid dramatic scenery on a notoriously difficult road.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

What was once England's second-richest abbey is now a haunting ruin.

A fortress off the West coast of Portugal that dates back to 1502.

This floating sculpture of ice is a poignant reminder of nature's power.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

These quintessentially English stepping stones were built for Victorian tourists.

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

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

This tower was constructed to commemorate the man who helped bring true democracy to the United Kingdom.

This lovely ancestral home inspired the author D.H. Lawrence, and features a tunnel made out of a living willow.

In the U.K., a historic workhouse shines a light on the early, harsh treatment of the poor.

Once a palace for the Archbishop of York, these 15th-century ruins now serve as a haunt for history buffs.