Ancient catacombs form the foundation for this Rococo orgy of a church.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The stunning interior of this Gothic church is covered in ornate gold details.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Stumps of an Ice Age forest, visible only at low tide.

A museum dedicated to "science, history and the arts" little changed since 1915.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A nomadic museum known for its art exhibitions about religion and faith.

A floating cat sanctuary on an Amsterdam canal.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

The celebrated eyesore created by starry-eyed sweethearts.

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

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

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

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

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

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

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.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Paris' linguistic guide to the international language of, yes, love.