Into the abyss: Incredible images of the world's most 素晴らしい sinkholes, from Oregon to Australia 経由で the Bahamas

The deepest known underwater sinkhole (or blue 穴を開ける) is 'the Dragon 穴を開ける' in the South 中国 Sea, an epic abyss? 987.2ft (300.89m) 深い that was discovered in 2016

R ed Lake - の近くに to the city of Imotski in Croatia - is a whopper, the largest sinkhole in Europe and the third-largest in the world. There are two striking features - red cliffs 手段ing 247 metres (810ft) in 高さ, and a lake that's 281 metres (922ft) 深い, giving it a total depth of 528 metres (1,732ft). 洞穴 fish, crabs, frogs and insects dwell in the lake, which 含む／封じ込めるs 565,034,667 立方（体）の feet of water. 追加するing to the sinkhole's immensity are 800 metres (2,624ft) of 洞穴 canals

In the world of 海洋 sinkholes, the?広大な／多数の／重要な Blue 穴を開ける in Belize is one of the most glamorous. It took the 最高の，を越す podium place on the 発見 Channel's? 名簿（に載せる）／表（にあげる） of 'The 10 Most Amazing Places on Earth' and is home to an exotic array of fish, 含むing?midnight parrotfish and Caribbean 暗礁 sharks. The '広大な／多数の／重要な' in the 肩書を与える, 一方／合間, is not hyperbole - this 穴を開ける is 1,043 feet (318 metres) wide and 407 feet (124 metres) 深い

Welcome to the Darvaza 噴火口，クレーター - or Door To Hell - a fiery 噴火口，クレーター in Turkmenistan's Karakum 砂漠 that has been 燃やすing since 1971. No one can say for 絶対の 確かな how this glowing sinkhole formed, but a 執拗な explanation is that it's the result of ground giving way under a Soviet 演習ing 装備する and scientists 点火（する）ing escaping gas to 燃やす it off, perhaps not realising just 売春婦 w big the subterranean 貯蔵所 was. Turkmenistan has the world's sixth-largest natural gas reserves...

The world's largest known sinkhole - Xiaozhai Tiankeng, or Heavenly 炭坑，オーケストラ席 - is 位置を示すd in 南西 中国. It's 2,054 ft (626 metres) long, 1,762 ft (537 metres) wide, and between 1,677 to 2,172 feet (511 to 662 metres) 深い. 訪問者s can descend to the 底（に届く） 経由で a 2,800-step staircase and should keep their 注目する，もくろむs peeled for clouded ヒョウs, which have been seen at the 場所／位置?

Dean's Blue 穴を開ける in the Bahamas is the world’s deepest saltwater blue 穴を開ける, with a depth of?663 feet (202 metres) and visibility up to 100 feet, によれば?www.deansbluehole.org. It says: 'Because of its enclosed nature, 勝利，勝つd does not reach it and there are no big waves either, making it an ideal place even for beginner swimmers. Typically, blue 穴を開けるs look like ponds, but Dean’s blue 穴を開ける is a different one in many ways. It is connected to the 大西洋 through an inlet on one 味方する and でっちあげる，人を罪に陥れるd by cliffs and white sand beaches on the other'

Not all sinkholes are wild and forbidding. Umpherston Sinkho le in?開始する Gambier, Australia, is decorated with a beautiful sunken garden, created in the late 19th century. 訪問者s can 高く評価する／（相場などが）上がる its size and depth - 20m (65ft) 深い and 50m (164ft) wide - from the 見解（をとる）ing 壇・綱領・公約s, discovermountgambier.com.au points out, then walk 負かす／撃墜する into the sinkhole, along the terraces and behind the hanging vines.?It 追加するs: 'The 居住（者） 植民地 of possums make an 外見 at dusk and enjoy 存在 fed fresh fruit (no bread please)'

There are more than 5,000 sinkholes - some as 深い as 25ft - spread across the west bank of the Dead Sea, with more forming as water is siphoned off to be 過程d into drinking water and for surrounding 産業s, その為に 縮むing this unique 団体／死体 of water. They are 生成するd by rainwater flowing 地下組織の and creating 安定性のない cavities, which can 崩壊（する） in 予測できない ways

A drone 発射 of a sinkhole on the 辛勝する／優位 of the ocean at Broken Beach in Nusa Penida, Indonesia. There's a?good description of what it's like there - very hot, but みごたえのある - on beforeyoupack.逮捕する

A 深い sinkhole was formed after a 石灰岩 洞穴 崩壊（する）d on the Nullarbor Plain in Western Australia. There is a 広大な 迷宮／迷路 of tunnels and 洞穴s beneath this hot, 古代の landscape

It appears as if the 太平洋の Ocean is 存在 drained away 負かす／撃墜する a 巨大（な） bottomless 穴を開ける on the Oregon coast. The 穴を開ける - big enough to swallow a large boat ? looks like a feature on an 外国人 惑星. However, the seawater levels in the 太平洋の Ocean are perfectly 安全な, because the 穴を開ける ? called Thor’s 井戸／弁護士席, and いつかs the ‘gate to hell’ ? is 現実に around 20 feet 深い.?It is a remarkable sight, though ? and it attracts hundreds of tourists every year who are keen to see the incredible 現象 in 活動／戦闘.?At high tide water bursts 上向きs out of the 井戸／弁護士席 in みごたえのある fashion, an event that never fails to delight onlookers

In western Bosnia and Herzegovina there are 非常に／多数の 崩壊（する）d sinkholes carpeted with 青葉

A 発射 showing the 底（に届く） of the?Cehennem sinkhole in the Taurus Mountains in southern Turkey. It has a depth of 420 feet (128 metres). Cehennem means 'hell' in Turkish, while the 隣人ing sinkhole is called?Cennet, meaning 'heaven'. The latter can be 見解（をとる）d up の近くに 経由で a 300-step staircase. While there isn't any 接近 to Cehennem, there is a 見解（をとる）ing 壇・綱領・公約

An explorer descends into New Zealand's deepest vertical 軸 - the 600ft-深い Harwoods 穴を開ける