This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

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

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

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

Picturesque ruins once held off mighty armies.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

These haunting ruins belong to an ancient village that once had one hell of a view.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

One family's environment-friendly hobbit-house in Wales.

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

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

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

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

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

Three bridges straddle a stream, one stacked upon the other.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

Some of the world's only freshwater seals live in one very special lake in Russia.

Thanks to a spelling mistake this bizarre beaver-tiger hybrid became the symbol of a Siberian town.

Museum devoted to the artificial language of Esperanto.

Dine amidst exotic plants at this former royal greenhouse.