Malolos is best known as the location of the Malolos Congress, which convened in 1898 and led to the establishment of the First Philippine Republic. The city holds a special place in Philippine history, as it was the seat of the country's first constitutional government. 

The Malolos Cathedral, also known as the Barasoain Church, is an iconic symbol of the city's history. It was the site where the First Philippine Republic was inaugurated in 1899. The church is a significant landmark, not only for its religious role but also for its historical importance.

The city is rich in Filipino traditions, showcasing a blend of Spanish, Filipino, and local cultural influences. Malolos is home to several heritage sites, traditional festivals, and local crafts.

Malolos is also known for its educational institutions, particularly Bulacan State University, which contributes to the city's reputation as a center for learning and research.

Its location near Manila makes it an attractive site for historical and cultural tourism, drawing both locals and tourists who are interested in exploring its past and heritage.