Saintly bones pressed into a wax effigy of a Catholic superstar.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The Lone Star plaque hangs in a bombed-out bunker in Normandy to honor a Texan colonel's heroic actions on D-Day.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

One of the oldest and largest wooden churches in France was very evidently constructed by shipbuilders.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

Notorious artist squat renovated into legal studios.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

This sublime architectural marvel is a rare example of an expressionist church.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

A public art jibe at one of the United States’ oldest and longest-serving senators.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

This recessed garden protects thousands of mountain plants by creating its own microclimates.