A slice through the original, iconic, rail bridge across the Menai Straights.

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

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

One of the oldest suspension bridges in the world blends in perfectly with a medieval castle.

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

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

Believed to be the former location of one of the earliest Viking assemblies in Europe.

World's largest working waterwheel has been around for over 150 years.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This Ukranian fortress is one of the best-preserved medieval castles in Europe.

The deepest metro station in the world.

An Art Nouveau building covered in animal gargoyles and grotesques.

340-foot statue built to honour the Heroes of the Soviet Union.

Featured in one of the most iconic scenes in cinema history.

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chornobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The bears of Bern have been a city highlight for over 500 years.

It houses the remains of a 17th-century version of the Titanic.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

The world's largest underground iron ore mine.