From hidden jewels to wild assassination plots, Prague Castle has an intriguing past.

Pragueis one of those places that seems like it was plucked straight from a fairytale.

Prague Castle has its share of secrets, as any age-old landmark does.

Prague Castle, Prague, Czech Republic

Credit: Kirill Rudenko/Getty Images

Read seven fascinating facts about theCzech landmark, ahead.

Lawbreakers have been tossed out of Prague Castle’s windows.

A year prior, Roman Catholic officials had shut down a pair of new Protestant chapels.

Defenestration of Prague, Prague Castle, Czech Republic

INTERFOTO/Alamy

Angry Protestant-rights defenders called for a trial in the council room at the Castle and won.

Luckily, a pile of horse manure broke their fall and they emerged uninjured.

The Crown Jewels are seriously secure.

The Bohemian Crown Jewels, Prague Castle, Prague, Czech Republic

Matej Divizna/Getty Images

The keys are held by seven people, including the president, prime minister, and Prague archbishop.

Only the president can make the call of how Prague’s Bohemian Crown Jewels are displayed publicly.

They are typically put on exhibit every five years or so.

Entrance, Prague Castle, Prague, Czech Republic

ppart/Getty Images

When this happens, all seven key holders must be present for the unlocking process.

The Butcher of Prague held court at the Prague Castle.

A crucial Holocaust organizer, Reinhard Heydrich, held court at Prague Castle starting in 1941.

St. Vitus Cathedral, Prague Castle, Prague, Czech Republic

Izzet Keribar/Getty Images

Terrified Czechs nicknamed him The Butcher of Prague.

There’s an ancient relic for dancers.

Today, he’s known as the patron saint of dancers and entertainers, as well as epileptics.

Prague Castle, Prague, Czech Republic

Chan Srithaweeporn/Getty Images

He’s also believed to protect against lightning strikes.

The Prague Castle is in the Guinness Book of World Records.

The Prague Castle complex is enormous, with an area totaling approximately 753,473 square feet.

Orangery, Prague, Prague Castle, Czech Republic

CTK/Alamy

That makes it the largest ancient castle in the world, according to theGuinness Book of World Records.

Wallenstein Palace, for one, is home to the Czech Senate and includes 26 houses and six gardens.

It’s open to visitors in the summer.

Franz Kafka House, Golden Lane, Prague, Czech Republic

letty17/Getty Images

Kafka spent time writing at Prague Castle.

Golden Lane, a small street just behind Prague Castle, has charming rows of little houses.

Much later, from 1916 to 1917, the novelist Franz Kakfa lived in house No.

22 with his sister.