Český Krumlov // Czech Republic
Known as the best kept secret in Europe, this city was hidden away behind the iron curtain for years. The abandoned place has been renovated and repainted almost completely.
Chefchaouen // Morrocco
Derweze (known as The Door to Hell) // Turkmenistan
Stone Pillars in Zhangjiajie National Forest Park // China
Part of UNESCO World Heritage sites, this surreal place in the Tianzi Mountain Natural Reserve inspired the floating mountains seen in the movie Avatar. Few tourists are visiting the site hidden under the clouds.
Sapa // Vietnam
Sapa is a hidden gem often missed in Vietnam. The charming town of Sapa worth a visit, considered an oasis in the middle of mountains and rice fields.
Photo cred - ken tam
Haiku Stairs (known as The Stairway to Heaven) in Oahu // Hawaii
The wooden ladder installed into the side of the cliff isn't open to public, but people still climb to the top to admire the view.
The Hutt Lagoon (know as The Pink Lake) // Western Australia
The unusual color of the salt lake is due to the presence of the carotenoid-producing algae Dunaliella salina, a source of ß-carotene, a food-colouring agent. (Source)
Rotorua (known as Sulphur City) // New Zealand
The geothermal activity is very high in this city, and the visitors feel like on another planet while walking around the geysers, the thermal springs and the mud pools.
Tikehau (or Porutu-kai) // French Polynesia
This coral atoll is as close as you'll ever come to living on a desert island, surrounded by crystal blue waters.
Huacachina // Peru
This amazing oasis town really exists in a barren desert in Peru. 96 people are living around the lagoon. (Source)
Photo cred - Euridice2
Jain Temple of Ranakpur // India
This marble temple is a well preserved secret from India (15th century). Very few people had seen its incredible architecture, almost intact. The interior will let you speechless. (Source)
Civita di Bagnoregio // Italy
This city is a magical, secret gem of Italy. According to the people who've been, you can never forget it. The 90 minutes train ride from Rome and Florence worth it just for the unbelievable food.
Don't hesitate to share your favorite hidden travel spot in the comments!