Photo: Quartl, CC BY-SA 3.0 via Wikimedia Commons
A world class zoo that originally started out as a humble parrot park (hence the name). It features the usual big cats, apes, giant turtles, an aquarium, ... as well as the island's only roller coaster. Shows present parrots, dolphins, sea lions, and – not uncontroversially – orcas doing tricks. Buy your tickets online to avoid some of the queuing at the entrance. You can also buy inclusive coach trips from Costa Adeje/Playa de las Américas, which will take you there for the day and back (about 90 minutes travelling each way). Bringing your own drinks and food is explicitly permitted, with "Picnic areas" provided throughout the park.
Loro Parque or 'Loro Park' is a 135,000 m2 zoo on the outskirts of Puerto de la Cruz on Tenerife, Spain where it houses an extensive and diverse reserve of animal and plant species. The park was conceived as a paradise for parrots and has developed over the years into one of the biggest attractions of the Canary Islands, with over 40 million visitors.
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A small defensive fortress built in the early 17th century to defend the town against pirates. After being completely renovated in the late 20th century, it is now used as a venue for concerts and art exhibits.
Archaeological Museum
Has a large collection of indigenous Guanche artifacts, with a focus on pottery.
Historic central square of Puerto de la Cruz with a fountain in the middle, and lots of shops, bars, and restaurants around it.
Park with fountains, waterfalls, and plenty of benches to take a rest in the shade while making your way up the slopes of Puerto de la Cruz. Nice view of the city center.
Likely the oldest building in Puerto de la Cruz, the church was built between 1599 and 1608 and was attached to a no-longer extant Franciscan monastery.
MACEW / Eduardo Westerdahl Museum of Contemporary Art
It was established in 1953 as Spain's first contempoary art museum, in the former Royal Customs House. It has a good collection of modern works by Canary Island artists.