This 18th-century sundial was designed to calculate the date of Easter each year.

This bridge was constructed from the rubble of the infamous Bastille.

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

The history of radiation is on safe display at the foot of a radiation science laboratory.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

This Norman castle has been the scene of assassination plots, religious persecution, and Nazi conspiracies throughout its long history.

The last resting place of the famous Native American princess is marked by a haunting monument.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

No one is sure what to do with this WWII shipwreck that sits at the bottom of the Thames, still loaded with tons of explosives.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

A moody and picturesque riverside ruin overgrown with vegetation.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

France's most famous cemetery, with some of its most curious tombs.

How did a French journalist’s grave become the sexiest statue in the cemetery?

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.