28 Forgotten Stadium Grounds Around The World Left Abandoned

23. Estadio Nacional – Lisbon, Portugal

Opened in 1944, Estadio Nacional, located in Lisbon, Portugal, is one of the country's most historic sports venues. With a capacity of 37,593, the stadium has hosted numerous Portuguese Cup finals and was once the home ground for the Portuguese national football team. Its most famous moment came in 1967 when it hosted the European Cup final between Celtic and Inter Milan, where Celtic became the first British team to win the prestigious tournament. Despite its rich history, Estadio Nacional has gradually faded from prominence. The Portuguese national team moved to the modern Estádio da Luz and Estádio José Alvalade for most of their games, while club teams also prefer newer venues. Though it remains structurally intact, it is rarely used for major events, with only occasional lower-tier football matches or non-sporting events taking place. Many parts of the stadium have fallen into neglect, with cracked concrete seating areas and rusting goalposts standing as reminders of its glorious past. While it is still technically operational, it is considered functionally obsolete and remains largely forgotten by modern football audiences.