Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A memorial to the soldiers who died in the bloody battles to control Verdun in World War I.

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

A swath of France so devastated by war it is still forbidden to go there.

Site of one of World War I's most horrific scenes.

This mountaintop mariner’s church is packed with model ships and nautical art while hosting an annual maritime festivity for the townsfolk below.

The largest Commonwealth memorial to the missing and dead of the Battle of the Somme.

A haunting museum chronicling the bloodiest battlefield of World War I.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

Peeing dogs guard the Roman hunting goddess atop a fountain at France’s Château de Fontainebleau.

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

A beautiful and classically designed villa, with an hourly infestation of monsters.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

An early 20th-century bullring converted into a modern shopping center.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Historic medieval fortified city in southwest France.

This historic fort spans more the 300 years.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Abbey built on the ruins of Roman catacombs.

An icy lake tucked among jaw-dropping alpine panoramas.

A fortified palace in the shape of a ship on the Thiou river.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

Legend says that Wade the Giant scooped up a handful of earth to throw at his wife, leaving behind this round valley.

The view that inspired the scenes of Dracula's first landing in England.