Have a ball telling the time at this giant kinetic-energy clock.

Kitschy nautical-themed bar has offered mermaid shows and underwater ballet since 1956.

This oceanfront 1920s house museum offers visitors historic art and rare plants across five distinct ecosystems.

This onetime gambler’s den was turned into a destination restaurant, reachable only by boat.

More than 20,000 butterflies can be seen at this spectacular park and research center.

This distinctive lighthouse with an iron skeleton is one of the tallest on the East Coast.

This medieval synagogue survived the Inquisition as a hospital and church.

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.

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

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

This engraved safety pin has possible links to the haberdasheries located in this humble square

A home for Spain's version of the Tooth Fairy, hidden in an old gas company register.

Dr. Fleming's work saved the lives of many bullfighters thanks to his discovery of penicillin.

A curious fountain that resembles a beloved character from the 1960s.

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.

With a facade that measures just 107 centimeters, this five-story building is one of the skinniest in Europe.

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

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

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.