A stunning Victorian abbey and walled garden on a lakefront.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A hugely vast Irish landscape of barren rock that stretches for miles.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The celebrated eyesore created by starry-eyed sweethearts.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

Today this former Nazi concentration camp stands as a poignant memorial to the victims of fascism, and a warning from history.

This workshop and small museum is dedicated to tiny, delicate figurines that began as a subversive craft after the French Revolution.

The shape of this old salt factory complex was inspired by the course of the Sun.

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

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

A huge Megalithic chamber tomb located behind a cafe.

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

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

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

France's high-tech, future-themed amusement park.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The Sun King's military models, saved from the Louvre.

The world's tallest bridge is also possibly the most elegant.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.