These medieval skyscrapers dominate the skyline of this small Tuscan town.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Old Danish castle immortalized in Shakespeare's Hamlet.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

Nordic giants resurrected from the sea and restored to their former greatness.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

The UK's largest private house was the subject of a long-lasting political dispute.

The heroic tale of a remarkable pup who refused to leave her master's side, no matter what.

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

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

This magnificent mural was created with over 30,000 colored bricks.

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

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

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

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

The only medieval bridge in Britain with its defensive tower still in tact.