Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

An ancient ossuary in Rouen.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

This 1,400-year-old abbey was once a powerhouse for music and intellectualism known across Normandy.

This 12th century, partially destroyed, abbey has had several owners and was seized during the French Revolution.

A storybook European village in Berkeley.

A private home built to resemble the shape of a microscopic creature.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

An engineering wonder at Pillnitz Castle protects a precious 230-year-old flowering shrub.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

The best place in the world to buy tinned fish.

A quiet patch of astroturf laid out between a building that seems to be splitting in half.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

This fountain was once heralded as the largest in the world.

Rainbow shutters decorate this former police station.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

A surrealist timepiece by the artist of melting clocks.

Little-known artist couple chose a former silk factory as the location for a museum dedicated to their work and other avant-garde art.

This little-known national museum houses over 40,000 works of art from across the world.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.