The oldest continuously-operated inn in the United States, once owned by Henry Ford.

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

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This colorful statue welcomes visitors to a Barcelona park.

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

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

Mountain where Jesus was first tempted by the Devil.

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.

Stunning Roman aqueduct used for 1900 years and still standing.

This abandoned viewing platform has become a monument to unnecessary government spending.

This architectural oddity is an oasis of green on the outskirts of Valencia.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

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.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

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

A 16th-century Andalusian palace.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

A lush indoor jungle fills this bustling Madrid transportation hub.