Halemaumau Crater with lava lake, Kilauea
The most active volcano in the world could be Kilauea in Hawaii. The caldera of this volcano contains Halemaumau Crater, where until 2018 was a lava lake.
Dharmaraja Mandapa, Mahabalipuram
Dharmaraja Manapa is simple but elegant rock-cut temple in the southern part of Mahabalipuram. This Hindu shrine was built in the late 7th century AD.
Ystihver and Hveravellir (Husavik) geothermal field
The northernmost geyser in Iceland and the whole world is Ystihver – the only remaining geyser in Hveravellir geothermal field.
El Velo de La Novia, Pachachaca or Lady in White Falls
One of the best examples of pareidolia is El Velo de la Novia waterfall in Peru, Cajamarca Region. It resembles a lady in white.
Kashmir sapphire mines: source of the best blue sapphire
Now legendary, abandoned sapphire mines where the best sapphire in the world was mined.
Hunter Spring
Hunter Spring is 1st magnitude spring with an output of 878.4 l/s. This is subaquatic spring, the area around it is covered with park and housing.
Tarpon Hole (King’s Spring)
One of the best places to see manatees in nature is King’s Spring or Tarpon Hole – a subaquatic spring in King’s Bay. The spring has an output of 1,213 l/s.
Antakya Church of Saint Peter (cave church)
One of the oldest churches in the world, constructed the latest in the 3rd or 4th century AD. Rock-hewn buildings, with fine facade built by Crusaders sometimes around 1100 AD. Rock-cut passages extend from the church.
Blue Nile Falls – Tis Abay
Enormous waterfall, 37 – 45 m high, up to 400 m wide. Now part of the water is used by hydropower plant.
Mount Erebus – the southernmost active volcano
One of the few constant glowing lava lakes in the world. Here are found large anorthoclase crystals in the center of the caldera of the volcano.