Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This 1,300-year-old marker is one of the finest and most complete early Christian crosses in Scotland.

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

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

The oldest working mechanical clock in the world.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Rare collection of medieval books under lock and key.

A vortex fountain that seems to rise out of the ground.

A perfectly running 230-year-old silver automaton and music box.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

The bronze uniforms commemorate the vital role of women during World War II.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

Asthmatic Charles Hyett's son built a fantastical garden for his father to convalesce in, alas it was too late.

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

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

Astonishing rock formations dot the Brimham Moor landscape.

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

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

The view from this giant Stone Age toad is unexpectedly beautiful.