by Alan Cressler on Flickr.Langs cave, Gunung Mulu National Park – Sarawak, Malaysia.
Qutub Minar, the tallest minaret built in bricks in the world in Delhi, India
Picturesque landscape in Lofoten Islands, Norway
Victorian architecture on Collins Street, Melbourne, Australia
St. Catherine’s Passage in Tallinn, Estonia
Wikki Warm Spring in Yankari National Park, Nigeria
The tallest man-made structure in the world, Burj Khalifa in Dubai, UAE