London, the capital of England and the United Kingdom, is a 21st-century city with history stretching back to Roman times. At its centre stand the imposing Houses of Parliament, the iconic ‘Big Ben’ clock tower and Westminster Abbey, site of British monarch coronations. Across the Thames River, the London Eye observation wheel provides panoramic views of the South Bank cultural complex, and the entire city.

A delightful blend of ancient and modern, Newcastle is one of the liveliest cities in northern England. Originally built in the 11th century, the Castle Keep was the “new castle” for which the city is named. Stroll along the River Tyne and marvel at the different bridges that have transformed the face of the city. Modern art is the main attraction at the BALTIC Centre for Contemporary Art, while the history of Newcastle unfolds at the Great North Museum.

Savor the old town’s marvelous Georgian and Victorian architecture and impressive Edinburgh Castle, high on its volcanic crag with a fabulous view. Stroll along the medieval Royal Mile to the Palace of Holyroodhouse to see the abbey and Queen Mary’s chambers. Visit St. Giles’ Cathedral where John Knox once preached.

Known as "Inverbreakie" until the early 18th century, Invergordon has long been recognized for its rich naval history and jewel of a harbor in the northern Highlands. Invergordon perches on the northern bank of the Cromarty Firth, a lengthy estuary that provides welcome sanctuary for a multitude of water birds and one of only two species of resident bottlenose dolphin in the British Isles. Venture into the Highlands, where the local clan castles perch on craggy hills and on the shores of lochs and firths. And there's always the chance to see the mysterious Loch Ness Monster.

Offering some of the finest Victorian architecture in the UK, Glasgow is a major center of commerce and culture. Glasgow Cathedral is one of the only cathedrals in Scotland to have survived the Reformation in tact and houses a celebrated collection of stained glass windows. The Burrell Collection showcases a range of work by major artists such as Rodin, Degas and Cézanne, as well as examples of late medieval, Chinese and Islamic art. When exploring Scotland’s culinary culture, be sure to taste some of the famed single malt whiskies.

Delight in this vibrant city of ornate Victorian and Edwardian architecture, gracious gardens and friendly pubs. Thrill to the natural phenomenon of the Giants' Causeway, a stunning geological anomaly of tightly packed, uneven basalt columns disappearing into the sea, and the enigmatic ruins of Grey Abbey.

Dublin, capital of the Republic of Ireland, is on Ireland’s east coast at the mouth of the River Liffey. Its historic buildings include Dublin Castle, dating to the 13th century, and imposing St Patrick’s Cathedral, founded in 1191. City parks include landscaped St Stephen’s Green and huge Phoenix Park, containing Dublin Zoo.

Enjoy the beautiful Welsh countryside with its charming towns and farms and visit the imposing Caernarfon Castle begun by Edward I in 1283. This mighty fortress was a residence and seat of government as well as a military stronghold. The current Prince of Wales received his title here in 1969.

Stroll through this 1,100-year-old Viking town and admire Rodney's Tower, still in use, and see the exquisite treasures in the museum. Visit the Waterford Crystal Visitors' Centre, where you can see how the artisans cut their famous designs. Or enjoy the beautiful Irish countryside as you pass majestic abbey ruins, stroll through quaint villages and see remnants of Viking heritage.

With a rich seafaring history dating back to the 14th Century, Fowey (pronounced Foy) in Cornwall is still one of England's busiest ports. The circular Hall Walk is quite popular and follows the banks of the estuary. In town stroll the Esplanade, visit St. Fimbarrus Church, and admire the view from St. Catherine's Castle, which was built during the reign of Henry VIII to protect the harbor. Blockhouses from the late 1300s stand on either side of the harbor, from which a chain was once hung to prevent undesirable ships from entering.

Take a trip up to London and get a bird’s eye view of the city from the London Eye. See sights like Parliament, Westminster Abbey and Piccadilly. Stroll along Lower Regent Street or visit the British Museum.