Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

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

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

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

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A Buddha-filled cave that is named after a giant monster spider.

This magnificent white pagoda was constructed to resemble a sacred Buddhist mountain.

A grand example of 19th century Burmese teak architecture, and the most significant of Mandalay's historic buildings.

The oldest teak bridge in the world is made from the remains of a royal palace.

This unique temple complex remains off the typical tourist trail.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

Gigantic unfinished stupa and the world's 2nd largest bell.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

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

The floor of this spectacular Baroque sanctuary is covered in memento mori.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Baroque celebration of the end of the Great Plague of Vienna.

A tiny mosque decorated with mosaics using an early form of recycling.