📍Abu Dhabi, United Arab Emirates
The UAE's largest and most ornate place of worship doesn't disappoint and with visitors traveling from around the globe to bask in the opulence, it's no surprise a staggering 3.4 million tourists came to experience it in 2017.In the same year, it was ranked as the world's second-favorite landmark according to TripAdvisor -- surpassing other world stunners such as St Peter's Basilica in Vatican City and the Taj Mahal in India -- with Angkor Wat in Cambodia beating it to the top spot.
Work on Abu Dhabi's beacon of splendor started in 1996 and took 12 years to complete at the reported cost of around $545 million. Now the third-largest mosque in the world at 22,412 square meters, it covers an area equivalent to nearly four football fields.
It holds more than 40,000 worshipers and has three Guinness World Records, for largest handwoven carpet and the biggest chandelier, as well as the largest dome of its kind in the world.