For years, the remains of this ancient Roman fortress were hidden under an orchard.

A unique World War II memorial commemorates where the American B-17 bomber Man-O-War crashed.

Visitors can still take a train to this former train station turned museum.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

One of the largest burial mounds in the Netherlands and Belgium.

Oldest World War 2-themed museum in Western Europe.

A reimagined 19th-century Acadian village featuring authentic Cajun-style homes filled with artifacts specific to the period.

A museum and shop on Bourbon Street located in the French Quarter.

Take a hike to this remote, scenic tea stop in the Canadian Rockies.

These giant yellow bowling pins seem to be defying gravity.

The 20-mile causeway that separates the Netherlands from the sea.

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

Construction of Barcelona’s iconic (but controversial) church was finally 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 large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

What looks like an ordinary house from the outside is actually a rotating sculpture.

Huge stairway leads to this massive gallery.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

Take a walk in a recreation of ancient Rome.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

Below the altar in Saint-Willibrord Basilica rests the mortal remains of Luxembourg's patron saint.