Designed by Salvi and completed by Pannini in 1762, the striking Fontana di Trevi amazes onlookers with its 26.3-metre (86 ft) height and 49.15-metre (161.3 ft) width, making it the largest Baroque fountain in the city and the most famous one in the world. Several movies, including "Roman Holiday" and Fellini's "La Dolce Vita", have certainly contributed to its fame. In 2016, Fendi chose the fountain as the stage of one of its most memorable shows ever, wherein a clear plexiglass runway stretched across the Trevi Fountain.

London's history is filled with gruesome tales and scary characters. The London Dungeon attraction on the south bank of the Thames retells some of those bloody stories. Using costumes, 360° sets and a multitude of special effects, London Dungeon takes you through 1000 years of the city's gory, gruesome and terrifying past in 90 minutes. Look out for Jack the Ripper and Sweeney Todd along the way. This is not an attraction for those of nervous disposition.

Former home of Houston philanthropist and collector Ima Hogg, this gigantic 28-room mansion was donated by her and turned into a museum where visitors have a chance to experience the elegant lifestyle from 1620 to 1870 through a collection of American furniture and artwork. The beautiful gardens and surrounding wooded areas make for a lovely and relaxing stroll.

Recently named one of America’s great public spaces, this massive green area in the heart of Houston is a great opportunity for those looking to mingle with the locals, do some outdoor activities or just lay down on the grass and relax. Around the park, you'll find paddle boats for rent, jogging and bike trails, a bird island, a golf course, a Japanese garden, the Miller Outdoor Theater as well as the Houston Zoo.