Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Legend holds that this knife serves as a chilling reminder of the deadly rivalry between two local builder brothers.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Inside this Krakow church, an explosion of psychedelic color.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

The pub has been in operation since 1819 on the banks of the Clyde.

Inside this art museum resides one of Glasgow's most famous musical instruments.

A poignant memorial shows the widows and children left heartbroken by the worst fishing disaster in Scottish history.

This castle resides in a valley known for immense bloodshed during the Middle Ages.

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

This modest relic, with rich history as a strategic fort through multiple eras.

The first archaeological site discovered by aerial photography.

Famously misunderstood wonder of the ancient world

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

6000-year-old site covered in more than 50 megaliths.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

A historic Georgian building and warm springs.

The heads of two giant mythological water horses honor Scotland's horselord past.

This 11th-century Cistercian abbey was once seized by Henry VIII.

The remains of the concrete ship can be seen during low tide.

The oldest candy store in England has been selling traditional sweets since 1827.

Astonishing rock formations dot the Brimham Moor landscape.

Protecting the dead from opportunistic body snatchers.