In which Scottish city would you find this famous castle on a volcanic rock formation?
Edinburgh is built on defunct volcanic rock, meaning the castle sits on a "plug" of solidified magma. This is a testament to the hardiness of Scottish people everywhere!
Do you recognize the city in Ethiopia that is home to this cathedral?
The Holy Trinity Cathedral in Ethiopia is the tomb of Emperor Haile Selassie I. Ethiopia is the regional power here, and Addis Ababa is its capital city. The Solomonic Dynasty was one of the longest-lasting unbroken dynasties in human history, ending with the overthrow of Selassie in 1974.
What Persian capital contains this amazing monument that also contains a museum?
This is the Azadi Tower in Tehran. Unfortunately, relations between Iran and some countries are very rough right now, which means it's not an easy place to visit. This is a shame, as clearly there are some lovely things to see there!
In which American city, at one time the country's capital, would you find a famous bell?
Philly was once the capital of the U.S., for ten years, while D.C. was being built. It's home to the Liberty Bell, which you can visit in Independence National Historical Park.
Which Middle Eastern city contains this prayer wall?
Jerusalem is home to the Wailing Wall, which is the only part of the Second Temple that remains standing. It's a holy site for all three Abrahamic faiths.
On the outskirts of which Egyptian city would you find these great big structures?
These are, of course, the Great Pyramids of Giza, but Giza isn't really its own city anymore. It's on the outskirts of Cairo, the capital, which is handy because it makes the Pyramids very easy to visit.
In which Australian city would you find this famous opera house?
Sydney is one of the biggest cities in Australia. Most Australian cities are on the east and south coast, as the center of the continent is too hot and dry for humans to easily live there - though some do!
Which northwestern U.S. city contains this impressive spire, known as the Space Needle?
The Space Needle is the most recognizable shape on the Seattle skyline. While Seattle is a very big city and should be known by non-Americans anyway, it's honestly most famous in the English-speaking world because it is the home of Frasier Crane, the TV character. It's also the home of Microsoft and Boeing.
What city in Tibet is home to this absolutely enormous palace?
Tibet has been absorbed into China now, amid a lot of controversy. Lhasa is technically its capital (depending on who you ask), and the astonishing Potala Palace still dominates the skyline.
In which West Coast U.S. city would you find a very large bridge?
San Fran is home to the Golden Gate Bridge, though technically only to one end of it. It crosses the mouth of the San Francisco Bay and connects Oakland and San Fran together!
In which German city would you find remnants of a certain controversial wall?
The Berlin Wall separated the democratic and capitalist West from the communist East of the city. It was up for about 27 years and has now been down for longer than it stood.
In which French city would you find the Church of Our Lady?
We didn't want to make Paris TOO easy, so our written question was about Notre Dame instead of the Eiffel Tower or the Louvre. It's one of the most-visited cities on Earth.
In which British city would you find this 1,000-year-old palace/prison?
London is one of the biggest cities on the planet, and the Tower of London is one of its most famous landmarks. London is, of course, the capital of the United Kingdom.
In which Russian city might you spot these beautiful onion domes?
The onion domes on Russian Orthodox churches are painted in vivid colors, some of which carry symbolism. Gold, for example, represents celestial joy. Green and silver domes honor saints.
This impressive skyscraper is found in which Arab city?
The Burj Khalifa was supposed to be a symbol of Dubai coming up Malaysia-style. Ironically though, Dubai hit financial trouble during construction and had to sell naming rights.
In which Spanish city might you see this amazing cathedral?
Sagrada Familia is the name of this beautiful house of God, and it is the work of the popular architect Gaudi. It is probably the most recognizable sight in the city of Barcelona, which is a regional capital in Spain.
In which Greek city might you see this temple with perfect proportions?
The Acropolis is the name of the complex that holds this temple, but the actual temple is called the Parthenon. It is built on the Golden Ratio, which is why it is so pleasing to the eye.
Which Malaysian city contains these impressive towers?
Malaysia was one of the first Asian economies to roar into the industrial age, and then pretty much straight through it into the information age. Malaysia put itself on the map with the Petronas Towers in capital city Kuala Lumpur, which are still among the tallest buildings in the world.
Which Asian city is home to this fabulous skypark?
Marina Bay Sands Skypark is just one of seemingly a million skyscrapers to pop up in Singapore in the last 20 years. It's a mark of enormous wealth in this small city-state.
Which Japanese city contains this very important peace memorial?
The Genbaku Dome at the Hiroshima Peace Memorial Park is a building that, despite being at ground zero for the atomic bombing during WWII, survived the blast. An eternal flame burns there in memory of all who died, and in hope of a world that is free of nuclear weapons.
What Indian city can you recognize from this landmark tomb?
The Taj Mahal is in Agra. It's the tomb of the adored wife of a powerful Mughal Emperor. Mumtaz Mahal, his beloved, is entombed there, along with the emperor himself.
Which Italian city boasts this famous dome?
The Duomo is the most recognizable of many landmarks in Florence. This city was home to the Medici and a great source of cultural and economic power for Italy.
Which South American city is recognizable by this impressively shaped mountain?
This is Sugarloaf Mountain, and it's incredibly well-known globally. Probably the best-known feature in Rio, however, is the Christ the Redeemer statue on another nearby peak.
What is this entire city on an island called?
This is Mont St. Michel, and while it's not much of a city now, it used to be a proper city. It's off the coast of Normandy, France, and now only has a few dozen inhabitants.
In which city do cars race in a Grand Prix, on the public streets and through this tunnel?
Monaco is a city-state noted for legalized gambling and not asking a lot of questions about where you got your money. Every year they shut down the whole city to hold the Grand Prix, and almost everyone shows up!
Which city is home to charming water buses and gondolas?
Venice, Italy, is quite probably the most recognizable city in the world. It's built on the water and, sadly, it may be lost to the water in the next 100 years. However, in the meantime, it is one of the most visited and beloved sites on Earth. You can get around for next to nothing using a "vaporetti," or water bus.
Which city is home to a tomb guarded by these terracotta fellows?
Xian is the home to the tomb of Qin Shi Huang, the first Emperor of China, who has an army to command even in death. The incredible terracotta warriors are in the Lintong District, and while thousands of them have already been excavated, more and more are still being found!
What city do you recognize from this pagoda-like skyscraper?
This is Taipei 101, which is a famous skyscraper in Taiwan. Taipei is the capital city and very prosperous. Taiwan is either independent or part of China, depending on who you ask, and buildings such as this are seen by some as a way of asserting that the former is the case.
Where is this enormous building that was a church, then a mosque, and is now a museum?
This is the Hagia Sophia, built by Justinian I of the Byzantine Empire. It has been repurposed by different faiths, who apparently found it too beautiful to tear down. These days it is a museum, gift shop included!
In which city would you find this enormous mosque?
This is the Ka'bah in Mecca. It is very holy in Islam as the destination of the annual Hajj pilgrimage, where millions go to fulfill one of their sacred religious duties and repent for their sins.
What is this major commercial hub that is China's second-largest city?
Shanghai's World Financial Center is affectionately called the "Bottle Opener," due to its unique trapezoidal hole. The architect intended to create a symbol of serenity and grace. This building is among the world's tallest.
Which city is home to this marvelous clay mosque?
Mali is the home of Timbuktu. Thanks to the amazingly dry climate - in the Sahara Desert - it is possible for structures like the beautiful Djinguereber Mosque to survive. They are at more risk from terrible wind erosion, though of course work is done to protect and repair these national treasures.
Can you recognize the city that is home to these splendid disused towers?
This delightful mural is on the Orlando Towers, which are part of a disused coal plant. The towers are in Johannesburg, and they powered the city for 50 years before being switched off in favor of cleaner power.
Which Moroccan city contains this tall mosque?
Marrakesh is known for its many houses of worship, among them the widely recognized Koutoubia Mosque. Marrakesh is also known for its excellent Night Market.
Which city on the east coast of Africa do you recognize from this memorial garden?
Uhuru Gardens in Nairobi celebrates the country achieving independence from the British Empire. It is appropriately named with the Swahili word for "freedom."
In which Italian capital would you find this famous gladiatorial arena?
You'll recognize the Colosseum from lots of movies, even if you've never been to Italy. It was commissioned around 70 A.D. by Emperor Vespasian.
Do you recognize this South American city, capital of a mountainous country with a disproportionately long coast?
Some of the cities on our list are at risk from sea level rise, but not Santiago; it is one of the highest capitals in the world, at 1,870 feet above sea level! La Moneda Palace is home to the president of Chile.
Do you know this capital city in the United Kingdom, whose castle was first established around 50 A.D.?
Cardiff is a much more cosmopolitan city than people outside the U.K. typically realize. A lot of BBC production is done there, meaning it has a vibrant artistic heart.
In which Arab capital city would you find these famous gold-and-white sandstone buildings?
Sana'a is the capital city of Yemen and known for these lovely golden stone buildings with white decoration. Sana'a is one of the highest capital cities in the world, at 7,382 feet!
