Latvia

The blocks between Elizabetes iela and Alberta iela in central Riga hold one of Europe's largest concentrations of Art Nouveau architecture, with facades by architects including Eizens Laube and Vasilijs Gaijs.

A Baltic resort town stretching 25km along the Gulf of Riga, known for its pine forest, wide sandy beach, wooden summerhouse architecture and the therapeutic mud of Ķemeri National Park.

The 17th-century capital of the Duchy of Courland, known for the 84-metre Swedish Bridge built without nails, a canal system through the town centre, and one of Latvia's largest surviving mediaeval market squares.

The most complete baroque palace in the Baltic states, built in two phases by Bartolomeo Rastrelli (1736-1740 and 1764-1768) as the summer residence of the Dukes of Courland.

A red-brick Livonian Order castle built around 1218 on a sandstone bluff above the Gauja River, now an open-air museum within Gauja National Park and the site of the legendary Rose of Turaida.

Riga's UNESCO-listed medieval core, Vecriga, preserves a 13th-century street grid and layered architecture from six centuries of Baltic urban history, sloping down to the Daugava river.