Visit Socotra

Africa's second-greatest antelope migration.

Boardwalk to nesting wandering albatrosses — the largest wingspan of any bird — on a tiny island in the Bay of Isles.

The "Manhattan of the Desert", UNESCO-listed.

Giant otters on the Rupununi river.

One of the world's largest wetlands.

Remote geyser basin on the volcanic Kamchatka peninsula, reachable only by helicopter.

Tonga is one of the few places you can legally swim with humpbacks, which come to Vava’u to calve from July to October.

Humpbacks come within metres of the shore from July to October, and Niue lets you snorkel beside them.