I actually never wanted to write here again, but I want to post the following links before I get re-banned as I truly love these on-topic videos, having watched them several times.
Countries inside Countries: Bizarre Borders Part 1containing: Vatican City, San Marino, Lesotho, The Gambia, Portugal, Spain, Monaco, France, Qatar, Saudi Arabia, Denmark, Germany, North Korea, South Korea, East Timor, Papua New Guinea, Indonesia, Brunei, Malaysia, Haiti, Dominican Republic, Ireland, UK, Canada, USA
Canada & The United States: Bizarre Borders Part 2containing: No-Touching Zone, Maine islands, Angle Township, Point Roberts, Campobello Island
The Most Complex International Borders in the World containing: UAE/Oman, Netherlands/Belgium, India/Bangladesh, Egypt/Sudan, Antarctica, Cyprus/Turkey, Diomede Islands
The Most Complex International Borders in the World - Part 2containing: Armenia/Azerbaijan, Uzbekistan/Tajikistan/Kyrgyzstan, Germany/Belgium (Vennbahn), Germany/Switzerland, Switzerland/Italy, India/Pakistan/China, Croatia/Serbia, Croatia/Slovenia, Sweden/Finland (Märket)