Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This imposing castle has stood for nearly a thousand years.

Exquisite examples prehistoric bas-relief carvings.

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

Home to the "Rat King" of Nantes and other wonders of the natural world.

World's strongest whirlpool.

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

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

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

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

This small island, a byproduct of 19th-century canal construction, is now home to a charming Japanese garden.

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

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