Wonder window: Malta's famous Azure Window sea arch was one of the big tourism draws of the Mediterranean island archipelago.
Brochure star: The 50-meter tall arch, known as Tieqa tad-Dwejra in Maltese, graced glossy brochures since tourism began in Malta.
Fallen arch: Storms in March 2017 completed the work of years of erosion and the arch disappeared into the Mediterranean.
Blue Hole: The Azure Window once overlooked the Blue Hole, a 10-meter wide, 25-meter deep sea pool which is a hotspot for swimmers and divers.
Wied il-Mielah: The lesser-known natural limestone arch of Wied il-Mielah sits on the northwest coast of Gozo in Gharb.
St Peter's Pool: St Peter's Pool is a spectacular natural swimming spot with plentiful rock ledges for sunbathing.
The Blue Grotto: A limestone arch in southern Malta, the Blue Grotto is made from six caves weathered over time.
The Dingli cliffs: On Malta's west, the Dingli cliffs coast tower some 250 meters above sea level and are home to terraced fields with views over to Filfla.
Dwerja lagoon: Dwejra's inland lagoon is separated from the sea by an 80-meter tunnel that rises like a Gothic cathedral.
Fungus Rock: The wizened Fungus Rock got its name during the reign of the Knights of St. John, who guarded it for its rare medicinal plant Malta Fungus.
Ghar Lapsi: Another of Malta's natural azure swimming pools, Ghar Lapsi is popular with bathers, hikers and rock climbers.
Blue Lagoon: Car-free Comino island between Malta and Gozo boasts the spectacular sheltered inlet known as the Blue Lagoon.
Blue Lagoon: The effect of shallow aquamarine water over the white sand of the Blue Lagoon makes for a stunning location.