Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Tubing through a cave lit with glowworms is a magical underground experience.

This incredible narrow-gauge mountain railway was created by a ceramic artist.

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

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

Claude Monet immortalized this medieval bridge in two of his paintings.

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

A sanctuary for wolves in a community which once trembled in fear of the murderous "Beast of Gévaudan."

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

A beachside monolith shaped by years of waves crashing against hard quartz.

This peaceful path through the jungle is surrounded by songbirds and complete with a waterfall.

The best place to encounter plants and animals that can only be found in New Caledonia.

Marvel of green building techniques that sings with the wind.