Giant topiary dog once played a role in a terrorist bomb plot.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

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

Go back 50 years with a turn on one of the park's carefully restored vintage fairground rides.

This 19th-century island fort built to protect against an invasion by sea.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

A Neolithic burial tomb connected with a colorful array of legends.

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

A section of a historic wooden trestle viaduct is preserved next to the railway line it once carried.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

Where, exactly, the great aviator completed her transatlantic flight has caused some trouble in Wales.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

This mural honoring a drowned village has become a symbol of Welsh pride and patriotism.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

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

A memorial to the British politician who spearheaded the National Health Service.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

A statue erected in honor of the toadish nickname given to Jersey residents by the French.

A passage grave used in neolithic rituals.

An intricately decorated tiny place of worship.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

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

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”