The Gherkin (30 St Mary Axe) Tours and Tickets

Combine London's legendary sights with a scrumptious English tea on this 1.5-hour Thames River afternoon sightseeing cruise. Sail by top London attractions such as Big Ben, the London Eye and Tower of London, and enjoy stellar views of The Shard, the "˜Gherkin' building, and other icons. As you cruise, savor a delicious afternoon tea of dainty sandwiches and cakes, plus scones with clotted cream and preserves, accompanied by teas and coffees.

Let your adrenaline levels go through the roof during a 50-minute white-knuckle ride on the Thames River. Climb aboard a modern RIB (rigid-inflatable-boat) and satisfy an appetite for adventure as you soar past iconic landmarks like Big Ben, St Paul's Cathedral and the London Eye. Enrich your knowledge of English history as you listen to illuminating onboard commentary, and experience the exhilaration of super-fast speeds up to 35 miles (56 km). Enjoy an intimate atmosphere on this small-group tour, limited to 12 people.

Discover the grandeur of London aboard the open-top, double-decker Big Bus on this hop-on, hop-off sightseeing tour. With your 1-, 2-, or 3-day ticket, design a personal itinerary with dozens of possible stops, including Buckingham Palace, Hyde Park, St. Paul's Cathedral, and more. Enjoy unobstructed views and onboard commentary as you view the city's highlights. Hop off to enjoy a free walking tours and a River Thames cruise.

Make the most of your time in London on this half-day tour. Led by a Spanish-speaking guide, you'll see most of the city's major landmarks in just a few hours. Begin with a coach tour of the City of London - the capital's most historic area, and home to significant landmarks like St. Paul's Cathedral. Then, go on a walking tour of the Tower of London, where you can glimpse the glittering Crown Jewels and other treasures. Finally, finish with a sightseeing river cruise of the Thames.