A tiny church on a man-made island in the Adriatic.

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

This artistic fountain display pays homage to this area's theatrical history.

Large Hadron Collider and the Birthplace of World Wide Web.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

There has been an astronomical clock on this spot since the 14th century.

The famous winding walk at Chartres is surrounded in mystery and myth.

Historic medieval fortified city in southwest France.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

This stucco building in North Africa was the first American-owned property on foreign soil.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

The reconstruction of this prominent building fulfilled a long-written command.

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

The oldest housing complex in Riga is a mini timeline of architectural trends.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

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

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.