The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

A rotting air force base is now home to rare birds and scarce plants.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

Much of what constituted mid-century Liverpool now litters a beach outside of town.

Artists have long been drawn to these atmospheric 12th-century ruins.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

It's believed King John of England stayed at this 13th-century castle before riding off to sign the Magna Carta.

You can crawl inside this atmospheric 5,000-year-old tomb.

In an isolated field near a dilapidated barn stands this chilling portrayal of the plight of the Nuba peoples of Sudan.

These mysterious mazes carved on the rock may be up to 4,000 years old.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

The wreckage of an old coastal trading vessel is only visible at low tide.

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

Inspired by a dream, a hermit carved out a home in this sandstone bank to live a life of contemplation and prayer.

This ruined folly was originally built to honor a failed American state that would have become "Westsylvania."

One of the oldest libraries in England, and one of the last of the great medieval chained collections.

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

A rare wooden coffin set vertically into the Gothic arch of an ruined church.