A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Lumps of significant stone from around the world surround a flaming monument for peace.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

A domino effect created with Britain’s iconic telephone boxes.

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

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

In France, a medieval-style home pays homage to an intrepid explorer who discovered Québec.

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

In 1927, a biplane disappeared while attempting to complete the first non-stop transatlantic flight between Paris and New York City. This memorial stands at the last place it was seen.

At the base of this tower, a plaque marks the original center point of the Netherlands.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

This multicolored meandering masterpiece is Britain's longest bench.

Though this large circular site is now named for the legendary king, its history dates back to the Neolithic era.

This beautifully situated lakeside Roman settlement was likely built during the reign of the Emperor Hadrian.

A 16th-century artillery fort built to protect England against European invasion.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

This coin collecting cod is over 130 years old, and the United Kingdom's smallest listed structure.