20. Alhambra (Granada, Spain)
> Overall score: 4.61/10 (tied)
> Avg. ticket price: $12.17
> Visitors in a year: 2.3 million
> Est. annual ticket revenue: N/A
> Google searches: 6.8 million a year
> Instagram posts as of Aug. 23, 2022: 1.8
19. Tower Bridge (London)
> Overall score: 4.65/10
> Avg. ticket price: $10.10
> Visitors in a year: 3.0 million
> Est. annual ticket revenue: N/A
> Google searches: 5.2 million a year
> Instagram posts as of Aug. 23, 2022: 2,618,685
18. Pompeii (Campania, Italy)
> Overall score: 4.78/10
> Avg. ticket price: $6.49
> Visitors in a year: 3.6 million
> Est. annual ticket revenue: N/A
> Google searches: 7.7 million a year
> Instagram posts as of Aug. 23, 2022: 768,608
17. Petra (Jordan)
> Overall score: 4.94/10
> Avg. ticket price: $35.22
> Visitors in a year: 1.1 million
> Est. annual ticket revenue: $39.9 million
> Google searches: 8.9 million a year
> Instagram posts as of Aug. 23, 2022: 1.5 million
16. Pyramids of Giza (Al Haram, Egypt)
> Overall score: 5.06/10
> Avg. ticket price: $7.81
> Visitors in a year: 13.0 million
> Est. annual ticket revenue: $101.5 million
> Google searches: 3.5 million a year
> Instagram posts as of Aug. 23, 2022: 1.3 million