04. Heathrow Airport London
Heathrow airport is probably the most renowned airport in the world. It is also included in the list of world’s busiest airports and also the busiest airport of UK. It is the seventh busiest in the world and the busiest airport in Europe. Heathrow takes care of passengers shopping through. You can even pop in at Harrods if you want. Heathrow offers an exceptional range of services in an easy-to-understand format. Even they have the disabled-accessible toilets. It has five exclusive lounges featuring showers, relaxation rooms, wellness spas, and much more.