Belém Tower facts decoded | Why this Portuguese gem is absolutely unhinged

Belem Tower was commissioned by King Manuel I and built between 1514 and 1520, right when Portugal was dominating the Age of Discovery. Think of it as the kingdom's main flex, a stone fortress guarding the Tagus that basically screamed "we run the seas" to anyone sailing into Lisbon. Iconic move.

Designer Francisco de Arruda had a serious portfolio before this gig. He'd built Portuguese fortresses in Morocco, which is why Belem Tower casually drops Moorish-style domed turrets and arched windows into its design.

Belem Tower is the moodboard for Manueline architecture, Portugal's late-Gothic style, decorated with maritime motifs everywhere. We're talking carved ropes, knots, armillary spheres, and crosses of the Order of Christ literally crawling up the walls. Basically, what happens when an ocean obsession meets a stonemason on a deadline.

One of those Belém Tower fun facts history teachers love: in 1983, it was named a UNESCO World Heritage Site alongside the Jerónimos Monastery. Then in 2007, it leveled up again as one of the Seven Wonders of Portugal. Two prestigious lists, one tiny tower. The audacity, but also earned.

Plot twist: its government name is the Tower of Saint Vincent (Torre de São Vicente), named after Lisbon's patron saint. "Belem" is just the neighborhood it lives in. The casual nickname stuck so hard that nobody calls it by its actual name anymore.

One of the wildest Belém tower fun facts: there's a teeny rhinoceros carved at the base of one of the turrets. It's believed that to honor Ganda, a real Indian rhino, King Manuel I shipped it to Pope Leo X in 1515 as a gift. It's the first known stone sculpture of a rhino in Western European art.

Belém Tower originally sat on a tiny island in the middle of the Tagus River. But after the catastrophic 1755 Lisbon earthquake, the river's course shifted, and the tower ended up chilling near the shoreline. Survived the quake too. Built differently, literally.

After Spain occupied Portugal in 1580, Belém Tower's damp basement dungeons were used to lock up political prisoners until around 1830. The fortress was technically a prison longer than it ever functioned as a working military post. Plot twist of the century.

Time to bust a huge myth. The whole Belém Tower Game of Thrones rumor floating around online? Completely fake news. Belém Tower was never used as a filming location for Game of Thrones. People keep confusing it with a similar-looking tower in Essaouira, Morocco, where the Walk of Punishment scenes were shot.

Belém Tower has been a fortress, ceremonial gateway, lighthouse, customs house, telegraph station, and prison. Around 1810, they slapped a telegraph on top. In 1865, a beacon went on the bulwark and stayed there until 1940. This building has been hustling for five centuries straight.

Before the tower existed, a heavily-armed 1,000-ton ship called the Grande Nau parked itself in the Tagus full-time to guard the city. King Manuel I eventually decided a permanent stone fortress was cheaper than keeping a giant warship floating. Smart financial decision, your majesty.