Enjoy a day spent exploring St. Paul's Cathedral and snapping photos in front of Buckingham Palace. Stroll beneath the massive dome of a 17th-century cathedral, investigate the obsessive detail in stunning mosaics, and watch the regimented ranks of the Queen's Guard as they switch shifts in style.

Hop in your comfortable transportation and set a course St. Paul's Cathedral, making a side trip to check out the grand towers of Westminster Abbey. After you snap a few photos, work your way up Ludgate Hill to reach St. Paul's Cathedral.

Form the outside, admire the dramatic 365-foot (111-m) dome that crowns this centuries-old church, and then head in for an up-close look at. Along the way, listen to your guide share stories about the cathedral's role in Anglican church, and spend some time exploring the lavish interior on your own before hopping back in your shuttle and setting off toward Buckingham Palace.

Home to the British Royal Family, Buckingham Palace offers a fascinating look into Britain's monarchic past with its opulent exterior and deep-seated traditions like the Changing of the Guard. Get the chance to witness this elaborate shift change from unencumbered vantage points just steps away from the action. When each soldier is in place, head back to your starting point or consider extending your day with a charming ride down the tranquil waters of the River Thames.