[sunday edition] complete these series

Er ... anyone going to try these? :)

1. Harlequin and Columbine, Pierrot and Pierette, Punchinello and ....?

2. The Great Pyramid of Egypt, the Hanging Gardens of Babylon, the Statue of Zeus at Olympia, the Temple of Artemis at Ephesus, the Mausoleum at Halicarnassus, the Colossus of Rhodes and ....?

3. 3, 6, 30, 870, ?

4. D'Artagnan, Athos, Porthos, and ....?

5. Dorothy Wordsworth, Charles Lloyd, Hartley Coleridge, John Wilson, and Thomas De Quincey were noted but who were the main three? Wordsworth, Coleridge and ....?

6. Australia, Nauru, Britain, Tristan da Cunha, France, No...a?

7. Duke, ???, Earl, Viscount, and Baron.

Bonus points: What is the name of the valley in the picture [in Spanish] and what is that building down there? Basílica de la ....?

Answers

Pulcinella, the Lighthouse of Alexandria,756 030, Aramis, Southey, Noumea, Marquess, El Valle de los Caidos, Santa Cruz