Here's a list of some of the must-see historic doors that grace the globe, from 'Number 10' in London to St. Peter's Basilica in Vatican City
The historic 'Number 10' in London is the Prime Minister's residence, which is marked with a Georgian-style glossed-black door featuring a lion's- head knocker
The Palmer House in Chicago has boasted the bronze peacock doors since it was re-debuted in 1873 after being forced to close in the wake of the Great Chicago Fire in 1871
St. Peter's Basilica's Holy Door or 'Porta Sancta' is only open during a Holy Year (Jubilee), which occurs every 25 years
Ueno Toshiko Shrine in Tokyo, Japan has guarded the Shinto-style destination since 1651, per Architectural Digest
Columbus doors that grandly stand in the US Capitol Building's rotunda in Washington DC, chronicle Christopher Columbus's life
The enchanted entrance of St. Edward's Church in Gloucestershire, England is rumored to have inspired the doors of Durin in J.R.R. Tolkien's 'The Fellowship of the Ring
The King of Morocco's Palace in Fez, Morocco, is situated behind a series of striking doors, which are star- patterned brass with cedar and Zellie details
The Puerta del Perdon, or "Doors of Forgiveness", which have decorated the Mosque-Cathedral of Cordoba, Spain, since 1337, feature Gothic and Moorish references