Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

You can receive a blessing for your electronics at this Shinto shrine near Akihabara.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

Dozens of padlock-trees along the Moscow River.

One of the world's tallest statues is also one of its most hated.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

Former headquarters of the KGB.

Liechtenstein's royal family calls this medieval alpine castle home.

In a city of wooden houses, this watchtower was vital for early fire detection.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

Two stone columns flank the grand Venice square, but there were supposed to be three.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

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

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The celebrated eyesore created by starry-eyed sweethearts.

Notorious artist squat renovated into legal studios.