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The area surrounding the municipality of Bonito is one of the best natural attractions in the state of Mato Grosso do Sul, in the South-Western part of Brazil.

One of the best sightseeing from Bonito is the Rio da Prata and Rio Sucuri / Rio Formoso, where floating guided tours allows to snorkel and dive into the crystal-clear water: a unique scenery created by the water flowing onto the limestone rocks.

About 20 km West from Bonito other striking natural formations are the Abismo Anhumas (Anhumas Abyss), an underground lake 70 meters below the ceiling of an enchanted cave with underwater stalagmites, (among the biggest in the world, up to almost 20 metres high) and the Gruta do Lago Azul Natural Monument, one of the biggest flooded caves in the world, were prehistoric large mammals fossils of giant sloth, sabre-toothed cat and giant armadillo have been found.   

50 km South of Bonito, the Buraco das Araras, a massive sandstone crater,  hosts hundreds of aracari toucans and red/green macaws.

Also known as Al-Ḥijr or Hegra, this impressive archaeological site belonged in the first century AD to the kingdom of Nabatean, a nomadic Bedouin tribe of the northern Arabian peninsula, whose capital was Raqmu, now known as the famous Petra (Jordan).

Some of the Northern Ireland‘s neighborhoods are still divided by walls: the Peace Walls (or Peace Lines) separate the nationalists/Catholics/Irish from the loyalists/Protestants/British people.

Most of them are in Belfast, others are also existing in Portadown, Derry and Lurgan, with a total length of around 34 km; some of them have gates that are opened only during daylight.

The walls were initially built as a temporary structure to avoid the violence episodes; the first peace line is dating back to 1969 in Belfast after the riot that had involved nationalists, loyalists and police that caused more than 150 homes destroyed, almost two thousand families evacuated, 8 killed and more than 700 injured people.

The number of the walls have raised from less than 20 in the early 1990s to more than one hundred nowadays; there was also an increase after the Irish-British Good Friday Agreement of the 10th April 1998.

According to the public local opinion, the walls are still necessary to maintain the peace and avoid the violence in those areas: the majority of the people still think that more time is needed to change the mentality that has caused lots of conflicts in the past.

In September 2017, the Northern Ireland Department of Justice published its Interface Programme, which intention is removing all the structures by 2023.

Reading the messages of thousands of people marked on the Peace Walls, it is evident that the thought of the people, with or without walls, is still aimed at peace.

The Lough Tay, located in the Wicklow Mountains, about 50 km south from Dublin, is also known as the Guinness Lake due to its shape and colours.

The white sandy beach on the northern coast makes the Guinness foam. The brown colour of the water close to the beach (due to the water coming from the streams that rise on peat covered uplands) complete the incredible visual similarity to the famous Irish pint.

You can see the lake from the R759 scenic route, or if you want a better view from the top, take the walking trail towards the Luggala mountain (accessible from the R115 — the best scenic drive in the Wicklow mountains) or the Djouce mountain, one of the most spectacular walks in the Wicklow Mountains, from which you can see the whole Dublin bay and, on a clear sky day, also the Welsh coastline.

The Lough Tay beach was chosen in 2013 as the set for the village of Kattegat in the Vikings tv series.

Impact craters on earth are difficult to preserve due to the continuous remodeling of the earth’s crust by orogenesis, plate tectonics and atmospheric agents.

List of the biggest impact craters on earth:

1. Vredefort Dome, South Africa: 160 km diameter, 2.02 billion years old.
2. Chicxulub crater, Mexico: 150 km diameter, 65 million years old.
3. Sudbury crater, Canada: 130 km diameter, 1.85 billion years old.
4. Popigai crater, Russia: 100 km diameter, 35 million years old.
5. Manicouagan crater, Canada: 100 km diameter, 214 million years old.
6. Acraman crater, Australia: 90 km diameter, 580 million years old.
7. Chesapeake Bay crater, USA: 85 km diameter, 35 million years old.
8. Morokweng crater, South Africa: 70 km diameter, 145 million years old.
9. Kara crater, Russia: 65 km diameter, 70 million years old.
10. Beaverhead crater, USA: 60 km diameter, 600 million years old.

Wikimedia map link

Well preserved impact craters on earth:

Aouelloul crater, Mauritania
3,1 million years old, 390 m diameter, 53 m depth.

Tenoumer crater, Mauritania
30.000 years old, 1,9 km diameter, 100 m depth.

The Roter Kamm crater, Namibia
5 million years old, 2,5 km diameter, 130 m depth.

Lonar crater lake, India
50.000 years old, 1,2 km diameter, 137 m depth.

Monturaqui crater, Chile
One million years old, 460 m diameter, 34 m depth.

Gosses Bluff crater, Australia
142 million years old, 6 km diameter, 180 m depth.

Pingualuit crater, Canada
1,4 million years old, 3,44 km diameter, 270 m depth

Amguid crater, Algeria
100.000 years old, 450 m diameter, 30 m depth

Wolfe Creek crater, Australia
300.000 years old, 875 m diameter, 25 m depth

Barringer crater, USA
40.000 years old, 1,2 km diameter, 170 m depth.

 

Also known as Stone of Peñol (since this rock formation is claimed by both the bordering towns of Peñol and Guatapé) the Rock of Guatapé is a granitic monolith located in the Peñol – Guatapé reservoir, about 40 km East of Medellìn, Colombia.

The rock is 200 meters high and it is surrounded by a magnificent lagoon, which is formed by the hydro-electric dam, built in the 1960-70s.

Visitors can reach the top of the rock climbing up the 650 steps on the stairway, enjoy the stunning view and visit two Benedictine monasteries.

Also known as the Floating Lake, the Loktak Lake, located in Bishnupur district of Manipur, about 50 km south of the city of Imphal, is the largest freshwater lake in North-Eastern India.

With a surface of 290 square kilometres, it is famous and unique for its floating islands named phumdis: masses of soil, organic matter and vegetation that hosts several species of animals and aquatic plants including the Sangai, a brow-antlered deer, state animal of Manipur.

Part of the lake houses the Keibul Lamjao National Park, the world’s only floating national park.