Vinh Moc Tunnels, Vietnam – Desperate to hide from heavy bombing, these tunnels were dug by hand during the Vietnam War. There are kitchens, wells and rooms here where families lived for years.

Rounding out the list are Tatev Monastery, Armenia,

Taktsang Palphug (Tiger’s Nest) Monastery, Bhutan,

Sultan Omar Ali Saifuddien Mosque, Brunei,

Irrawaddy River, Burma,

Mulee Aage Palace, Maldives,

The Flaming Cliffs, Mongolia,

Annapurna Circuit, Nepal,

Banaue Rice Terraces, Philippines,

Taepyeong Salt Farm, the Republic of Korea,

Putra Mosque, Malaysia,

Yoro Park/Site of Reversible Destiny, Japan,

Komodo National Park, Indonesia,

Old Airport Road Food Centre, Singapore,

Rock Column Forest, China,

and Killing Caves of Phnom Sampeau, Cambodia.