Switzerland . Although you can reach any of these places by air , a train journey is far more scenic . Several different regions have an old - style train , familiar to Agatha Christie fans . Trains like the Spirit of Africa offer a truly luxurious version of train travel .
Although you can reach any of these places by air , a train journey is far more scenic . Several different regions have an old - style train , familiar to Agatha Christie fans . Trains like the Spirit of Africa offer a truly luxurious version of train travel .