This 18th-century sundial was designed to calculate the date of Easter each year.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

The world's tallest boat lift stands as a massive piece of industrial tourism.

A museum celebrating the Canadian forces that liberated Belgium from the Nazis replete with battlefield miniatures and multiple Gardens.

What was once a bustling mining installation is now a bustling hub of contemporary art.

This old, abandoned hotel offers magnificent views.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

An art-filled botanical garden and former dyeworks hiding in plain sight.

This former cannon foundry and castle for the Counts of Flanders is now a public garden.

Every half hour, the flow of this unusual spring cycles between a rush of water and barely a trickle.

Built in 1347, this belfry is one of the oldest in the world and survived intense bombing during World War I.

This massive sculptural work outside of Paris was four decades in the making—and it's still not quite complete.

Ride the rails on a train harkening back to a 19th-century marvel.

A miniature Corsican village built out of pebbles.

Before the electric telegraph, a chain of stone towers carried messages across France.

France's highest manned weather station is the only one still inhabited by meteorologists.

A winery built on the site of a Gallo-Roman estate uses historical tools to recreate ancient vintages.

Rows of multicolored bathing huts paint the sand dunes with pops of color.

A total of 22 tiny bridges cross this canal of the Yvette River, forming a unique trail.

This French chateau is home to the world’s largest private collection of fighter jets.

A beautiful lighthouse with as many steps as days in the year, as many windows as weeks, and as many levels as months.

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

A tiny, forgotten park of surrealist sculptures in Angouleme.