See how aloe goes from field to store and discover the history of aloe cultivation in the Caribbean.

Longest fortress system anywhere in Europe.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Construction of Barcelona’s iconic (but controversial) church was finally 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.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

A historic structure inspired by Roman, Muslim, and Jewish bath houses.

Designed by Gustave Eiffel before his famed tower.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

The final resting place of the great navigator, or maybe his brother.

Single runway interrupted by a busy road that cuts across its middle.

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.

Liechtenstein's royal family calls this medieval alpine castle home.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

Local legend of a lurking canal crocodile takes on a life of its own with this sculpture.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

This Late Gothic building that once housed Erasmus is now known as the filming location of "Suspiria."