Spend a night or more in a tree house accommodation, elevated among the branches.
Discover a piece of amber, a fossilized tree resin often containing ancient insects or plants, typically found in regions like the Baltic Sea area.
Visit the mysterious Crooked Forest in Poland, where about 400 pine trees have a 90-degree bend at their base
Visit the Bledow Desert (Pustynia Bลฤdowska), Europe's largest inland sand dune area located in Poland, covering about 33 square kilometers.
Limestone arches over hidden pools.
Set eyes on Rรญo Abiseo, the UNESCO park almost nobody may enter โ cloud-forest ruins and a monkey back from the dead
Jagged coral pinnacles of the interior.
Waves forced through lava tubes blast spray 30 metres into the air โ locals throw coconuts in to launch them.
Walk through a forest of razor coral pinnacles to a ladder that drops into a hidden sandy oasis with palm trees between the cliffs.
Coastline of spouting blowholes.
About 300 tailless macaques live on the Upper Rock โ Europeโs only wild monkeys, and famously light-fingered.
A 70-metre crater of natural gas that has burned since 1971 โ camp beside the "Door to Hell" at night.
Sacred pool of tame crocodiles.
The world's brightest bioluminescent bay.
The only hippos on Earth that swim in the sea, wallowing in lagoons and grazing the beaches of Orango Island.
Plankton light the surf electric blue on Vaadhoo and other islands on dark nights.
Hidden desert waterhole in the Ennedi where camel caravans meet Nile crocodiles.
Swim at night in a lagoon near Falmouth where bioluminescent plankton light up every stroke.
Fog-bound desert shore of shipwrecks, seal colonies and dunes dropping into the Atlantic.
One of the few waterfalls on Earth that pours straight into the ocean.
Swim with the wild pigs of Big Major Cay.
Young fissure volcano between spreading tectonic rifts.
Waterfall dropping through three natural bridges into a cave shaft.
Neon sulphur pools, salt flats 125 m below sea level and the Erta Ale lava lake โ the hottest inhabited place on Earth.
Bubbling grey cones on the Caspian steppe โ half the worldโs mud volcanoes are here.
Drift by boat beneath a cave ceiling lit by thousands of glowworms.
Wind-carved chalk mushrooms and icebergs of rock glowing at sunset โ camp overnight under the Sahara stars.
High-altitude geyser field steaming at dawn, 4,300 m up in the Andes.
Track down the worldโs largest flower blooming on the rainforest floor.
The "river of five colours", turned red by aquatic plants between June and November.
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