Top natural wonders you may never know

From rivers flowing through deep pools in Europe to rainbow waterfalls and chocolate hills, the natural wonders below are still very unknown.

Helmcken Falls, British Columbia, Canada : Wells Gray Provincial Park is an area with beautiful natural landscapes, including an extremely spectacular waterfall in the deserted pine forest.This beautiful world wonder is perhaps the most beautiful, 141 meters high and poured from a colorful coniferous forest into four different seasons.

Tara area, near Zabljak, Montenegro : The best way to explore this area is by boat, at the end of the river, there are 20 waterfalls very suitable for canoeing.

Chocolate hills, Bohol, Philippines : There are more than 1,700 hills like this in the chocolate hill area (Photo: The Guardian)

Erebus Mountain's Ice Tower (Antarctica) : This mountain is famous for its boiling hot lava lake just above the crater.This is also the only place in the world where fire and ice combine to create large ice towers about 20m high.

Hang on the coast of Benagil, Portugal : Visitors can go there by boat and other solitary beaches along the Lagoa coast.Benagil Cave is 150 meters from the main beach of the village, and can only be reached by sea.If the sea is calm, you can swim there, an adventure will be unforgettable.

Cano Cristales River, Serrania de la Macarena, Colombia : Dark red, green mixed with the blood color of the leaves, the blue of the sky, the brown of sand and water, all forming an impossible scene forget.

Waitomo Cave, North Island, New Zealand : The ceiling of the cave is sparkling like the reflective wall stickers in a baby's room, the fireflies in the cave of Waitomo are discovered more than 120 years ago and are an extremely spectacular landscape.

Jellyfish Lake, Palau, South Pacific : Millions of jellyfish live in this lake and eat each other.It is possible to go to the lake after sailing for about 45 minutes from Koror.The jellyfish float on the lake like lanterns and create an impressive scene.

Ik-Kil, Yucatan, Mexico wells are considered sacred Mayan wells and are on their way to the famous ancient city of Chichen Itza.This 26-meter-high rock mouth surrounds an emerald-colored water, with vines of forest trees wrapped around the mouth, like in a wonderland.

Saltstraumen, Nordland, Norway : Saltstraumen is not for people with seasickness.Every day, in the narrow strait near Bodo town, the world's largest tidal stream will focus its strength, creating a huge body of water with swirls of up to 10 meters in diameter.

Fairyland - Chapada Diamantina National Park (Brazil) : When the sun rises to the top, light passes through the gap and illuminates the surface of the water, that scene is truly beautiful.However, the visit to this area is strictly controlled to protect the extremely rich and precious ecosystem here.