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

Designed to resemble foreign architecture, this mosque-looking structure was used to pump water to a royal fountain.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

A Baroque mansion with ties to legendary magicians and alchemists.

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

A relic of World War I that now exist as a piece of public art.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Heralded as the oldest statue in London.

A diminutive statue that was inspired by the sculptor's own daughter.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

This mysterious sculpture was thought to symbolize a world ravaged by misery.

These quaint French houses dangle precariously over a precipice.

This tiny cafe is one of the last meeting places of its kind, allowing revolutionaries a place to plot.

The castle where the Marquis de Sade lived out his darkest fantasies.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

This fascinating abbey is considered the oldest monastery in the region.

Walk through living pictures and music in the Cathedral of Images.

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

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

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.