Elaborate tile work in this railway station tells the story of Portugal.

A unique seaside cave where Aleister Crowley faked his own death.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The world's oldest bookshop still in operation.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This massive blockhead sculpture hides an entire library.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

This splendid tomb may look fantastic, but there's nothing in it...

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

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

An ancient knight and a symbol of the city's freedom.

A musical instrument played by the sea.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.