Visit Bratislava

Visit Košice, the second-largest city in Slovakia and European Capital of Culture in 2013. Explore St. Elisabeth Cathedral (the easternmost Gothic cathedral in Europe, with a 59-meter-high tower), wander through the historic Main Street (Hlavná ulica) lined with Baroque palaces and cafes, and see the Singing Fountain (a musical water feature in front of the State Theatre). Don't miss the East Slovak Museum (housing the Golden Treasure of Košice, a collection of medieval coins and jewelry).

UNESCO silver-mining town folded into an old volcanic caldera.

Master Paul's 18-metre carved altar, the tallest Gothic altar in the world, inside a walled Spis town.

A complete medieval square with a Gothic town hall, spa villas and wooden churches nearby.

A castle on a rock above the Vah with a Roman inscription from AD 179 carved into the cliff.

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.