Dublin blends literary heritage, Georgian elegance and a lively pub culture on the banks of the River Liffey. Explore historic streets around Trinity College and St. Patrick's Cathedral, stroll through leafy squares and along the waterfront, or sample local flavors in traditional cafés and markets. Beyond the city, coastal villages and scenic countryside offer an easy taste of Ireland's charm.

Belfast blends a proud industrial heritage with a lively modern energy on the banks of the River Lagan. Explore the revived Titanic Quarter, admire grand Victorian architecture and the political murals of the Falls and Shankill areas, or head out to the nearby coast for scenic drives and dramatic landscapes. Traditional pubs, warm hospitality and a growing food scene make this Northern Irish capital a rewarding port of call.

Liverpool evokes The Beatles, especially at The Beatles Story in the restored Royal Albert Dock, alongside Tate Liverpool and the International Slavery Museum. Football fans can tour Anfield, home of Liverpool FC. Beyond the Beatles and the Reds, the city's landmarks include Liverpool Cathedral, Britain's largest cathedral and the world's largest Anglican church, and Radio City Tower, offering 360-degree views from over 450 feet up.

Waterford, Ireland's oldest city, blends Viking heritage, scenic beauty, and culture. Explore the Viking Triangle and the Waterford Treasures museums, from Bishop's Palace to Reginald's Tower with Viking artifacts. Visit the House of Waterford to see crystal made and buy a piece. Stroll the quays or head to the Copper Coast UNESCO Geopark. Nearby are castles in Tipperary and Kilkenny and Curraghmore House & Gardens.

Cobh is one of Ireland's prettiest secrets: a historic seaside port with colorful hillside houses and St. Colman's Cathedral above one of the world's largest natural harbors. Nearby Cork is lively and full of highlights, including St. Fin Barre's Cathedral and the centuries-old English Market, where you can shop and eat local foods. Just outside Cork, Blarney Castle draws visitors for the Blarney Stone, said to give the "gift of the gab."

Plymouth, on England's south coast, is a historic naval port shaped by its maritime heritage and sweeping waterfront views. Explore the Barbican's cobbled lanes and Elizabethan buildings, stroll the Hoe for panoramas across Plymouth Sound, or enjoy local pubs, seafood, and a lively harbour atmosphere before heading inland to Devon's green countryside.

London blends history and modernity. See the Changing of the Guard at Buckingham Palace, Westminster, Parliament and Big Ben, then the London Eye over the Thames. UNESCO sites include Westminster Abbey, the Tower of London, and Greenwich. Art lovers should visit the British Museum, National Gallery, and Tate Modern. For local flavor, explore Camden and Notting Hill markets, Shoreditch cafés and galleries, or Mayfair boutiques.