St Peter's Basilica & Dome

St Peter's Basilica is the largest and grandest church in Christendom, built over the traditional tomb of the apostle Peter and rebuilt across more than a century from 1506 by a relay of geniuses: Bramante's plan, Michelangelo's soaring dome, Maderno's facade and nave, and Bernini's theatrical finishing touches. You approach through Bernini's colonnade, two great curving arms that embrace St Peter's Square, and step into an interior whose scale only reveals itself slowly — the cherubs holding the holy water stoups are taller than a person. Just inside on the right is Michelangelo's Pietà, carved when he was in his early twenties and now protected behind glass. Beneath the dome, Bernini's bronze baldacchino rises over the papal altar and the confessio that leads down toward Peter's tomb, and beyond it the Chair of St Peter glows in the apse under a window of golden light. Below the floor, the Vatican Grottoes hold the tombs of many popes. Entry to the basilica is free, but everyone passes through security screening in the colonnade, and the line can be long, so arrive early. The dome climb is separately ticketed: a lift takes you to the roof terrace, and from there around three hundred and twenty steps wind ever narrower between the inner and outer shells to the lantern, with a vertiginous look down into the nave on the way and all of Rome laid out at the top. The Jubilee year closed in January 2026, when Pope Leo XIV sealed the Holy Door, so visits have returned to normal rhythms.

Practicalities matter here. The dress code is enforced at the door: shoulders and knees covered for everyone, hats off inside, and no exceptions for skip-the-line tickets. The basilica can close at short notice for papal ceremonies, and on Wednesday mornings the general audience in or near the square disrupts access, so Wednesday afternoons or other weekday mornings are better. Opening hours are long but shift with the liturgical calendar; check the Vatican's own notices before you go. Guided tours are worth considering here more than almost anywhere, because the stories — the rebuilding of Old St Peter's, the competition among architects, the relics and the papal tombs — are what turn a vast space into a narrative.

The dome is the highlight for many visitors. It opens early, closes earlier in the winter months, and is best tackled first thing before the stairwells warm up; the final section is a tight, leaning spiral that is not for the claustrophobic or anyone with heart or mobility issues. From the lantern you look straight down the line of Via della Conciliazione to the Tiber and Castel Sant'Angelo, and across the Vatican Gardens to the hills beyond. On the way down, the roof terrace has a small café and close-up views of the giant statues along the facade, and the exit brings you back into the basilica, which is a neat way to avoid the main security queue if you climb first.

Building the day: St Peter's pairs naturally with the Vatican Museums, though they are separate visits with separate entrances. One good rhythm is the dome at opening, the basilica and Grottoes afterward, lunch in Prati or Borgo, and the museums in the afternoon. The square itself is free and open: watch for the Swiss Guard in their striped uniforms at the gates, the twin fountains, and the Egyptian obelisk at the centre. For a different experience, join a Mass — the basilica is a working church — or come back in the evening to see the facade lit up across the empty colonnade.