This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

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

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

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

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

This ancient theater was once the home of fierce gladiatorial battles.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

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

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

A Gothic cathedral created from volcanic rocks.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This massive library holds what was once the largest book collection in the world.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Hundreds of hidden passageways weave through the old quarters of Lyon.

Historic medieval fortified city in southwest France.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.