Aventine Keyhole
San Pietro dal Buco della serratura
The Aventine Keyhole is a peephole in the green door of the Priory of the Knights of Malta on Rome’s Aventine Hill.
- High
- Historic monument
- Rome
Country guide
Italy holds 62 World Heritage Sites, more than any other country, spread across 301,340 km2 of land that runs from the Alps down into the middle of the Mediterr...
Photograph · Timothy A. Gonsalves · CC BY-SA 4.0
Reviewed by Elena Voss · Roavina Travel Editor
Italy holds 62 World Heritage Sites, more than any other country, spread across 301,340 km2 of land that runs from the Alps down into the middle of the Mediterranean. The distances between its cities are short and the differences between them are not: Venice has no roads, Naples sits under a volcano on a bay, Florence fits inside a walkable Renaissance grid, and Milan keeps its art indoors and works for a living. Rome is the capital and the obvious first trip; the argument is always about what comes second. Nearly 800 islands hang off the coast, and Sicily and Sardinia are each large enough to be a trip of their own.
Checked 2026-08-25
Every city catalogued in this country so far, ranked by how much there is to see.
Photograph · Bert Kaufmann from Roermond, Netherlands · CC BY-SA 2.0
Photograph · Daniel Case · CC BY-SA 3.0
Photograph · Wikibusters · CC BY-SA 4.0
Photograph · Martin Falbisoner · CC BY-SA 4.0
Ranked by importance — sitelinks, pageviews and heritage status, not editor preference.
137 places match
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Typical visit duration
Interests
San Pietro dal Buco della serratura
The Aventine Keyhole is a peephole in the green door of the Priory of the Knights of Malta on Rome’s Aventine Hill.
Transatlantico Conte Biancamano
The bridge of the ocean liner Conte Biancamano is a preserved maritime heritage exhibit in Milan. The Conte Biancamano was a historic Italian transatlantic passenger ship, and this display preserves its command bridge as a visitor attraction.
Colonna di San Marco
The Column of San Marco stands in Piazzetta San Marco, the ceremonial gateway between the Grand Canal and Venice's principal public square.
Via Appia Antica
The Appian Way, or Via Appia Antica, is one of ancient Rome’s oldest roads. Construction began in 312 BCE, creating a military and commercial route from Rome toward Brindisi in southeastern Italy.
Forte Manin
Forte Marghera, known locally as Forte Manin, is a historic fortification situated in the lagoon area near Venice. Built as part of the defensive system protecting the Venetian Republic, it represents significant military architecture from the period.
Ghetto ebraico
The Roman Jewish Ghetto is a historic district in Rome's Rione Sant'Angelo, established in 1555 by papal decree. It served as a compulsory residential area for the city's Jewish population until 1870.
Palatino
Palatino is one of Rome's seven hills and the centremost of the famous trio that includes Capitoline and Aventine. Archaeological evidence indicates human settlement here dating to approximately the tenth century BCE.
Piazza della Signoria is Florence's principal civic square and the historic heart of the city's political life.
Ponte Vecchio is the oldest surviving bridge over the Arno and the only one in Florence still built up with shops. A crossing has stood on this spot since Roman Florentia.
Chiesa di Santa Maria dei Miracoli presso San Celso
Santa Maria presso San Celso is a Renaissance church in Milan, formally known as Chiesa di Santa Maria dei Miracoli presso San Celso. It stands adjacent to the older San Celso church, creating a distinctive architectural pairing.
Mausoleo di Cecilia Metella
The Tomb of Cecilia Metella is a monumental cylindrical mausoleum beside the Via Appia Antica. Built in the first century BCE, it commemorates a woman from the powerful Caecilii Metelli family.
Palazzo Serbelloni is a privately owned Neoclassical palace at Corso Venezia 16 in Milan.
Ten to fourteen days can combine Milan, Venice, Florence, and Rome by high-speed train. Give Venice more than a transfer night and Rome several separate sightseeing days; rural Tuscany needs different transport planning from the rail-linked cities.
Italy is in the Schengen Area, but visa and passport requirements vary by nationality and route. Use Italy's official visa portal to confirm the applicable rule before travel rather than relying on another Schengen trip.
High-speed trains connect Milan, Venice, Florence, and Rome, with regional rail and coaches serving smaller places. Drivers must check ZTL restrictions before entering historic centres because access controls are local and can generate fines.
April to June and September to October broadly suit the north-to-Rome rail route. Lagoon conditions in Venice, summer heat in Rome, and seasonal rural services in Tuscany should be checked independently.
Italy uses the euro (EUR). Carry a modest cash reserve for small purchases while using cards where accepted, and verify the euro amount at the terminal instead of accepting an unexamined conversion.
Italy routes emergency calls through 112. Travellers encounter a 230 V supply and Type C, F, or L receptacles. No tap-water assessment is recorded for Italy; obtain current local advice at the destination.