Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

Go surfing on this urban wave, "hacked" by local surfers.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Behemoth, cannon-like telescope operated by generations of Irish earls.

Three columns of volcanic rock shoot out of the ocean.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A small but stubborn relic of Spain’s turbulent past hides in plain sight.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

The remains of a convent turned military barrack in the heart of Madrid.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

The tallest tower in Cáceres's Old Town.

Fragments of human bones are embedded in the walls of this quaint alley.

The largest medieval water tank on the Iberian Peninsula is preserved beneath the Cáceres Museum.

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

This church is dedicated to the patron saint of seafarers.

When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

One of the best examples of a Byzantine period monument in Albania.

This unique prehistoric funerary monument is notable for its distinctive boat-shaped design and exceptional preservation, offering a fascinating glimpse into the island's ancient burial practices.

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

For 200 years, people have flocked to this Polish town to experience the healing powers of salt.

This 19th-century aqueduct provides insights into how water was supplied to Victoria on the island of Gozo before modern plumbing.