Yes, in fact the first machine which can claim to be a bicycle was made in 1817 - nearly 200 years ago.
The history of bicycle is complicate: Karl von Drais from Germany, in 1817, may be consider the pioneer.
probably in taiwan where most bikes are made
norco bikes made in Canada
cardboad was made in the:1817
The Ideal Bikes Factory is made in Patra,Greece
Shozo Kawasaki made dirt bikes.
They are made of metal.
Made in China.
BMX started in the USA, so the first bikes were built there.
You can scroll the internet for American made recumbent bikes. One such company is Linear.
Most mountain bikes are made from Aluminum, some are made from carbon fiber and older bikes are made from steel. Quality, weight and strength vary hugely by manufacturer with most high end bikes claiming unique methods which either reduce weight, improve strength or both.