The longest flights exceed 18 hours
Ultra-long-haul routes such as Singapore to New York run close to 19 hours nonstop.
Author not specified in the imported source
World · Around the World
External reference (site language): World's longest domestic flight ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Contrails are frozen water
Contrails form when hot humid exhaust meets cold air and freezes, which is why they appear only at altitude.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Turbulence rarely damages aircraft
Wings are tested to flex far beyond anything turbulence produces. The discomfort is real, the danger mostly is not.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Duty free began in Ireland
The first duty-free shop opened at Shannon Airport in 1947 to serve transatlantic refuelling stops.
Author not specified in the imported source
Shannon, Ireland · Around the World
External reference (site language): Shannon Airport ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Suitcases got wheels late
Wheeled luggage was only patented in 1970, and the upright rolling case with a long handle arrived in 1987.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Hotel keys became cards in the 1970s
Magnetic stripe keycards were introduced to solve the expensive problem of guests walking off with metal keys.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Room 420 signs get stolen
Some hotels skip or renumber room 420 because the sign disappears so often.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Many buildings skip floor 13
Superstition means a large share of tall buildings label the 13th floor as 14, especially in North America.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Some Asian buildings skip floor four
In Chinese, Japanese and Korean the word for four sounds like death, so floors and room numbers often omit it.
Author not specified in the imported source
East Asia · Around the World
External reference (site language): East Asia ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Tipping customs vary wildly
Tipping is expected in the United States, unusual in Japan where it can cause offence, and rounded up in much of Europe.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The nod does not mean yes everywhere
In Bulgaria and parts of Greece a head shake can mean yes and a nod can mean no.
Author not specified in the imported source
Bulgaria · Around the World
External reference (site language): Bulgaria ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Thumbs up is rude in some places
The thumbs-up gesture is offensive in several countries, so travellers are safer with words.
Author not specified in the imported source
Middle East and West Africa · Around the World
External reference (site language): Middle East and North Africa ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Queuing rules are cultural
Orderly single-file queuing is a strong norm in Britain and Japan but far looser in many other countries.
Author not specified in the imported source
World · Around the World
Imported text; story or fact not individually verified. A reference may provide background only.
Left-hand driving covers a third of the world
About 35 percent of the world's population drives on the left, mostly in former British territories.
Author not specified in the imported source
World · Around the World
External reference (site language): World War II ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Some countries have no rivers
Around 17 countries, mostly desert or small island states, have no permanent natural rivers.
Author not specified in the imported source
Saudi Arabia and others · Around the World
External reference (site language): Saudi Arabia ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Vatican and Monaco have no farms
Both microstates import essentially all their food, having no agricultural land at all.
Author not specified in the imported source
Europe · Around the World
External reference (site language): Europe (Europe album) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Three countries do not use metric
The United States, Liberia and Myanmar are the main holdouts from full metric adoption.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Only a few countries have non-rectangular flags
Nepal's double pennant is the famous exception, while Switzerland and the Vatican use squares.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Cities can have more than one time
Border towns sometimes straddle a time zone line, so neighbours legally live an hour apart.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The equator crosses thirteen countries
The line passes through thirteen nations, including Ecuador, Kenya, Indonesia and Brazil.
Author not specified in the imported source
Equator · Around the World
External reference (site language): Equator ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The prime meridian moved
GPS uses a reference meridian about 100 metres east of the brass line at Greenwich, due to a different geodetic model.
Author not specified in the imported source
Greenwich, England · Around the World
External reference (site language): Prime meridian (Greenwich) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
There are more than 40 landlocked countries
Around 44 countries have no sea access, and two of them are surrounded entirely by other landlocked states.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Some borders run through buildings
In Baarle the border weaves through houses and cafes, with tiles marking which country your table is in.
Author not specified in the imported source
Baarle, Belgium and Netherlands · Around the World
External reference (site language): Baarle ↗
Imported text; story or fact not individually verified. A reference may provide background only.
A hotel straddles two countries
The Arbez hotel sits on the France-Switzerland border, with the line running through rooms and a staircase.
Author not specified in the imported source
Haute-Savoie, France · Around the World
External reference (site language): Haute-Savoie ↗
Imported text; story or fact not individually verified. A reference may provide background only.