Since 1969, this restaurant has served up dishes typical of Istanbul's Greek diaspora.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

Beneath an ancient wishing tree lies an underground chapel with 12th-century frescoes and catacombs dedicated to a lady saint.

An ancient necropolis of magnificent tombs.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

A vast Communist-era exhibition space in the Bulgarian capital.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

This building has two facades of clashing architectural designs.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This sculpture honors the man who was known as the "Righteous Among the Nations."

For more than a century, Parisians have come for affordable dishes in a grand converted train station.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

Dine on Hungarian-Jewish dishes at this multigenerational, family-run institution.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

Swedish skyscraper with a 90° twist.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This chimerical bridge/tunnel appears to dead end right into the sea.