Fun facts learned while clicking through Wikipedia:

  • Treasure Island in Ontario, Canada is probably the largest island in a lake in an island in a lake.
  • Liechtenstein and Uzbekistan are doubly landlocked countries, i.e., all the neighbouring countries are landlocked.
  • Republic of Kalmykia is the only predominantly Buddhist region of Europe.
  • The Door to Hell is a 70 m (230 ft) wide hole near the village of Derweze in Turkmenistan, filled with natural gas, which has been burning since 1971.

The Door to Hell near Derweze, Turkmenistan The Door to Hell near Derweze, Turkmenistan (Photo: Tormod Sandtorv · CC BY-SA 2.0).