The flag of Paraguay is the only national flag with a different emblem on each side.

Nepal is the only country with a non-rectangular national flag.

The Swiss and Vatican flags are the only two square-shaped national flags.

Mozambique’s flag includes a modern firearm (an AK-47) — the only national flag to do so.

Bangladesh’s red circle is intentionally placed slightly toward the hoist side, so it appears centered when flying.

Bhutan’s flag features a white dragon called the Druk, symbolizing purity and protection.

The flag of Belize is the only one that includes human figures.

The Philippines flag is flipped during wartime, placing the red band on top.

Saudi Arabia's flag cannot be flown at half-mast because it contains the Islamic declaration of faith.

Cyprus is one of the few countries with its national map depicted on the flag.

The stars on Brazil's flag represent the sky over Rio de Janeiro on November 15, 1889.

Turkmenistan’s flag features traditional carpet motifs, unique among national flags.

The Union Jack (UK) is not symmetrical; its proper orientation can be identified by the position of St. Patrick’s Cross.

Denmark’s Dannebrog is the oldest continuously used national flag (since 1219).

The South African flag has no official symbolic meaning assigned to its six colors.

The former flag of Libya (1977–2011) was a solid green field with no emblem or design.

The Malta flag features the George Cross, awarded by the UK in 1942 for bravery during WWII.

Ethiopia’s red-yellow-green tricolor inspired many African nations’ flags.

The Gambia’s flag represents river (blue), land (green), and sun (red), divided by white for peace.

Kazakhstan’s flag includes a golden steppe eagle and a sun with 32 rays, symbolizing freedom and energy.

Romania and Chad have nearly identical flags but maintain them independently.

The European Union flag has 12 stars, symbolizing unity and completeness, not member count.

Antarctica has an unofficial flag featuring the continent’s outline on a blue field.

The Achaemenid Persian Empire used standards featuring the Faravahar, a Zoroastrian symbol.

The Mongol Empire used no conventional flag but horsehair standards called tugs, white for peace and black for war.

The Diomede Islands (Russia and the USA) are only 3.8 km apart but lie in different time zones with a 21-hour time difference.

Mount Chimborazo in Ecuador is the farthest point from Earth’s center due to the equatorial bulge.

The Challenger Deep in the Mariana Trench is the deepest known point in Earth’s oceans, about 10,984 meters below sea level.

Russia spans 11 time zones, the most of any country.

The Vatican City is the smallest country by area (0.49 km²) and population.

Canada has the world’s longest coastline, stretching over 202,000 kilometers.

The Amazon rainforest is responsible for about 20% of the world's oxygen production.

Lake Baikal in Siberia is the deepest and oldest freshwater lake, and holds ~20% of the world’s unfrozen surface freshwater.

Africa is the only continent situated in all four hemispheres.

Greenland, while geographically part of North America, is politically tied to Denmark (Europe).

The Roe River in Montana, USA, is one of the shortest rivers in the world, at only 61 meters.

Norway’s Svalbard archipelago experiences polar night for over two months annually.

Kazakhstan is the largest landlocked country in the world.

The Panama Canal runs north-south, not east-west as often assumed.

The Dead Sea shoreline is the Earth’s lowest land elevation at ~430 meters below sea level.

Mauna Kea in Hawaii is taller than Mount Everest when measured from its base on the ocean floor.

France borders more countries (11 total, including overseas departments) than any other in Europe.

Africa is home to over 2,000 languages, the most linguistically diverse continent.

The Atacama Desert in Chile has regions that haven’t seen rain in over 400 years.

The point on Earth farthest from land is Point Nemo in the South Pacific Ocean.

The world's largest cold desert is Antarctica.

The world’s largest hot desert is the Sahara, covering about 9.2 million km².

The Great Barrier Reef is the largest living structure on Earth, visible from space.

Iceland has no native mosquito population due to its climate and soil conditions.

The continent of Asia contains both the highest point (Everest) and the lowest point on land (Dead Sea Depression).