A 16th-century Andalusian palace.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A black cat protests the City Guild in Riga's Old Town.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

This Funeral Hearse Museum represents the finest in cadaver transportation.

One of Europe's largest supercomputers is housed inside of a disused chapel.

Turntable anonymously received orphans, alms, and groceries.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This cemetery features modernist statues as strange as its name.

This semi-secret storybook hedge maze is also the oldest garden in the city.

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

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

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

This house's itty bitty size means no humans allowed.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.