© Istockphoto|Collina delle Croci, Šiauliai, Lituania

© Istockphoto| Bare sospese, Sagada, Filippine

© Istockphoto|Catacombe dei Cappuccini, Palermo

© Istockphoto| Craco, Matera

© Istockphoto| Catacombe di Parigi 

© Istockphoto|Château de Brissac, Brissac-Quincé, Francia 

© Istockphoto| Castello di Edimburgo

© Istockphoto|Cimitero Ebraico, Praga 

© Istockphoto|Haw Par Villa, Singapore 

© Istockphoto| Foresta Aokigahara, Monte Fuji, Giappone