This capital city sits on two continents, Europe and Asia.
Istanbul
The world's tallest waterfall.
Angel Falls
The only nation that borders both North Korea and Russia.
China
This ancient city in Jordan is famous for buildings carved into rose-colored rock.
Petra
This country's flag features a maple leaf.
Canada
The world's highest national capital by elevation.
La Paz
The world's largest coral reef system.
Great Barrier Reef
The world's newest internationally recognized country.
South Sudan
The temple complex of Angkor is located in this country.
Cambodia
The only national flag that is not rectangular or square.
Nepal
This capital on the Danube was once known as Pressburg.
Bratislava
The world's largest hot desert.
Sahara Desert
The only country completely surrounded by South Africa.
Lesotho
Machu Picchu was built by this civilization.
The Inca
The cedar tree appears on the flag of this Middle Eastern country.
Lebanon
This African capital is one of the world's highest, sitting over 7,700 feet above sea level.
Addis Ababa
The deepest freshwater lake on Earth.
Lake Baikal
The world's largest landlocked country.
Kazakhstan
This prehistoric monument stands on Salisbury Plain in England.
Stonehenge
The Southern Cross appears on the flags of Australia and this neighboring country.
New Zealand
This capital city's name means "Peaceful Place" in Mongolian.
Ulaanbaatar
The world's tallest mountain measured from base to summit rather than sea level.
Mauna Kea
This country has the world's most islands—over 260,000.
Sweden
The rock-hewn churches of Lalibela are found in this African nation.
Ethiopia
This country's flag features a dragon.
Bhutan