Considered "the most original, complete, and unimproved" circles in Aberdeenshire.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Relics from an era long gone, sit idle outside this Estonian museum.

Only a fragment of this 15th-century Dance of Death survives today.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

The tiny, studious rodents greet visitors to the National Archives of Finland.

A collection of collections ranging from dentistry to minerals.

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

Inside this church is an obscure piece of art carved by the famous Alice Liddell.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

This remarkably intact, 260-year-old cargo ship is only visible at the lowest of spring tides.

This lighthouse was crafted as penitence for the theft of wine bound for a monastery.

One of the shortest streets in York has an especially odd name.

This demon atop the Notre-Dame de Paris looks utterly bored.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Statue of death tucked in the University of Medicine courtyard.

Indents in the pavement are all that remain from a grisly death machine in Paris.

A surrealist timepiece by the artist of melting clocks.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.