This remote Scottish island has the only round church in the nation.

Dedicated to the Father of the British Fire Service.

The 18th-century inspiration behind Harry Potter's Sorting Hat.

These ruins saw a second life as a cemetery.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

One man's remarkable private collection of art from around the world.

This small chapel is built of human bones and decorated with a golden skeleton.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The main residence of the Erskine family and the hereditary keeper of the nearby royal Stirling Castle.

The lasting remains of a bygone era of open-air meat markets.

A site of pagan worship which still attracts people looking for fairies.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

A well-traveled statuette of a much-beloved village icon.

An unusually shaped lighthouse with origins rooted in heartbreak.

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

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

This grubby wall is said to be one of the Earth's esoteric energy centers.

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

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.

This 19th-century sanctuary was built atop a hill that once housed a Roman fort.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

This statue stands as a message against the ills of Apartheid.