Photo: Homoludens at Korean Wikipedia, CC BY-SA 3.0 via Wikimedia Commons
This museum (opened in 1999) is done up with the latest technology and is very accessible to visitors, with almost everything available in English. There are several video presentations and mini-theatres, so you could probably spend a lot of time here doing virtual tours of Madain Salih or watching re-enactments of the Prophet Mohammed's battle of Medina. Highlights include a kiswah cloth that once covered the Kaaba in Mecca. Half the time, though, it feels more like a propaganda exercise than a museum: the display on plate tectonics starts with a quote from the Quran, the history of the Sauds is rather airbrushed, and the display on the birth of Mohammed, reached from the clash and noise of the Jahiliyah (age of ignorance) by riding an escalator up into a room of soothing, pastel light while a choir of angels sings, has probably inspired a few conversions to Islam. Many cabbies will not recognize the English name: ask for the neighboring Murabba Palace (Qasr al-Murabba) instead.
The National Museum of Saudi Arabia is a national museum located in the al-Murabba neighborhood of Riyadh, Saudi Arabia. Established in 1999, it is part of the King Abdulaziz Historical Centre and is surrounded by al-Wadi Park to the north and al-Madi Park to the east, who altogether constitute eastern side of the National Museum Park.
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قصر المربع,Qasr al-Murabba
Riyadh's second old mud-brick palace, built by King Abdul Aziz after he conquered Masmak Fortress and figured he should built something harder to conquer. This two-story structure does indeed look pretty intimidating, but permits are no longer needed to venture inside, where you can find sights including the first royal Rolls-Royce.
قصر المصمك, Qasr al-Masmak
The heart of old Riyadh, this was the fortress stormed by King Abdul Aziz and his men in their daring reconquest of Riyadh in 1902. Renovated in 2008 to an inch of its life, the mud brick structure now looks like it was built yesterday, but the museum inside does a pretty good job of recounting the story of the raid and has some fascinating photos of old Riyadh as well. Alas, the second half is devoted to extolling the greatness of the Sauds in everything from agriculture to education.
Deira Square
Next to the Great Mosque and the mutawwa headquarters, this nondescript expanse of cement is known by expats as Chop-Chop Square as convicts are publicly beheaded with a scimitar here. Public executions are rare since MBS came to power. Executions used to take place on Friday mornings at 9AM, but not every week, and no notice was given in advance. Beware that any Westerners nearby have been known to be taken to the front row and forced to watch the whole thing, in order to further shame the condemned. It is forbidden to take photos of executions or to record videos of them.
مدينة الأمير فيصل بن فهد الرياضية
With a capacity of 22,500, this is the home ground of Al Hilal and Al Shabab, who both play soccer in Pro League. It too is a venue for the 2027 AFC Asian Cup Finals.
المملكة Al-Mamlaka
Undoubtedly Riyadh's most stunning piece of modern architecture, at 305 m the Kingdom Centre is the second tallest building in Saudi Arabia and quite a sight, especially when lit up at night. The centre hosts an (expensive) three-story shopping mall, with one floor reserved for women, but the main reason to visit is the 99th-floor Skybridge connecting the two peaks at a height of 300 m. Best visited at dusk or after dark, from here you'll get great views over the vast and flat but well-lit expanse of the city.
ملعب جامعة الملك سعود
Opened in 2015, this is the home ground of Al Nassr FC, who play soccer in Pro League the top tier. It has a capacity of 25,000 and in 2027 hosts matches in the AFC Asian Cup Finals.