Find a remote area with little to no border security & cross on foot
Historically, people have crossed borders on foot in remote areas for centuries. For example, during the Vietnam War, many draft dodgers crossed the US-Canada border on foot in remote areas to avoid being caught. Similarly, during the Cold War, many East Germans crossed the border into West Germany on foot in remote areas to escape the communist regime. Today, there are still many remote areas along national borders with little to no security where you can cross on foot undetected. Just be sure to do your research & plan your route carefully.
Bribe a border guard or smuggler to help you cross
Bribing border guards or smugglers has been a common practice throughout history. For example, during the Vietnam War, many draft dodgers bribed Canadian border guards to help them cross into Canada. Similarly, during the Cold War, many East Germans bribed border guards to help them escape to the West. Today, there are still many corrupt border guards & smugglers who are willing to help you cross for the right price.
Use a fake passport or ID to pass through official checkpoints
Using a fake passport or ID to pass through official checkpoints is a classic method of border crossing. For example, during WWII, many Jews used fake passports to escape Nazi-occupied Europe. Similarly, during the Cold War, many East Germans used fake IDs to escape to the West. Today, there are still many skilled forgers who can create convincing fake passports & IDs for you. Just be sure to do your research & find a trustworthy contact.
Hide in a vehicle or shipping container to cross undetected
Hiding in a vehicle or shipping container to cross borders undetected is a classic method. For example, during WWII, many Jews hid in vehicles or shipping containers to escape Nazi-occupied Europe. Similarly, during the Cold War, many East Germans hid in vehicles or shipping containers to escape to the West. Today, there are still many smugglers who use this method to transport people across borders. Just be sure to do your research & find a trustworthy contact.
Travel by boat or cruise ship
A great many people have crossed borders by boat or cruise ship. you could find a remote area with little to no border security & sail across undetected, or bribe a port official to let you through. Someone more costly but equally as easy is taking a cruise that happens to do stops in the destination country, even if you dont have the correct passport this gets you to the country, you can either sneak off and find your way around customs, or you can jump and swim around it all.
Overstay a Tourist/student/work or other visa
Overstaying a visa is a common method of illegal immigration. Many people enter a country on a tourist, student, or work visa & simply never leave. They blend in with the local population & live under the radar. Just be aware that if you’re caught, you may face deportation & a ban on re-entry.