Visit Vilnius

Baroque old town, UNESCO-listed.

Visit Kaunas, Lithuania's second-largest city and former temporary capital. Explore the Old Town with its Gothic-style Kaunas Castle (14th-century fortress by the Nemunas River), see the Devil's Museum (unique collection of devil-themed art and sculptures), and walk along Laisvės Alėja (Freedom Avenue, a bustling pedestrian street lined with shops and cafes).

Lithuania’s interwar capital: a Gothic castle, the Devil’s Museum and Europe’s largest concentration of modernist architecture.

A German-built port on the Baltic, the ferry to the Curonian Spit and its sand dunes.

A red-brick island castle in Lake Galve and the kibinai pastries of the Karaim community.

Visit Copenhagen, the capital of Denmark. Explore Tivoli Gardens (one of the world's oldest amusement parks with historic rides and gardens), see the Little Mermaid statue (iconic bronze sculpture inspired by Hans Christian Andersen's fairy tale), wander through Nyhavn (colorful 17th-century waterfront with historic ships and cafes), and visit the Round Tower (17th-century observatory offering panoramic city views).

Visit Dublin, capital of Ireland. Explore Trinity College (home to the Book of Kells, a 9th-century illuminated manuscript), stroll through Temple Bar (historic cultural quarter with pubs and live music), see St. Patrick's Cathedral (largest church in Ireland, founded in 1191), and tour the Guinness Storehouse (seven-story experience on the history of Ireland's famous stout).

Visit Athens, the historic capital of Greece. Explore the Acropolis (ancient citadel with the Parthenon temple, built in the 5th century BC), wander through the Plaka district (old neighborhood with narrow streets and traditional tavernas), see artifacts at the National Archaeological Museum (one of the world's greatest museums of ancient Greek art), and watch the changing of the guard at the Tomb of the Unknown Soldier in Syntagma Square.