With its unique wild beauty, the newly-discovered Thoong Cave in Phong Nha-Ke Bang, the central province of Quang Binh, has attracted many domestic and foreign tourists.

Another 175 metres of branch-worked caves have just been found in Southeast Asia's longest volcanic cave, Cave C7, in the central highlands province of Dak Nong.

Thuy Cung Cave is located in the Phong Nha-Ke Bang National Park in the central province of Quang Binh. It is a destination for those who love to explore the pristine beauty of nature.

Tien Son cave is located in the complex of Kim Son relics in Vinh An commune, Vinh Loc district in Thanh Hoa province. It is dubbed the "fairyland" of this central province.

Mua (Dancing) Cave, Trang An eco-tourism area, and Hoa Lu ancient town are the three top attractions in the northern province of Ninh Binh.

Hidden in a vast forest in the west of Quang Binh Province, Thien Duong (Paradise) Cave has been described as a beautiful natural masterpiece that never fails to enchant tourists.

Nguom Ngao Cave is located in a mountain in Gun village of Dam Thuy commune, Trung Khanh district, is a priceless asset that the nature has gifted to the northern mountainous province of Cao Bang.

 VietNamNet Bridge – Mo So Mountain is 27km from Ha Tien Town and in southeastern Binh An Commune, Kien Luong District of the Mekong Delta province of Kien Giang.

 We followed Dinh Hong Nham, a famous forester, and spent several days going through thick forests and crossing over streams to discover the beauty and mystery of caves hidden in deep forests in Minh Hoa District, Quang Binh Province.

 VietNamNet Bridge - The Business Insider magazine of the US has announced the list of the 12 most spectacular caves in the world, including Son Doong in Vietnam.