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A park, originally a place of fight in the Spanish-American War. Good views, displays of various monuments and old canons, souvenirs.
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A small park on the other side of the historical center of the city than Parque Céspedes.
A famous music club, with (probably) nightly live music, with drinks available too. You can expect it being very full, esp. of 1-day and elderly tourists.
A kind of central park, picturesque part of the city - with the cathedral Catedral de Nuestra Señora de la Asunción, few museums and pubs around. Castro announced victory here in 1959 from the town hall. The place is quite noisy, as it serves as an intersection for the traffic. Additionally, be prepared for street sellers, street music and especially in the evening jineteras.
A terrace with a nice view of the bay.
Inscribed on the UNESCO World Heritage List, easily combined with the following in a single day.