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St. Peter's Basilica Underground
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St. Peter's Basilica Guides — Planning Tips & What to Know

Planning tips, comparisons, and everything you need to know before visiting St. Peter's Basilica and the Vatican Grottoes.

Best Time to Visit St. Peter's Basilica

When to visit St. Peter's Basilica to skip the worst crowds — best season, quietest day of the week, and the ideal time of day.

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Climbing St. Peter's Dome: What to Expect

How many steps, elevator or stairs, claustrophobia, and what the climb up Michelangelo's dome is really like — a practical guide.

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Scavi Tour vs. Vatican Grottoes

The Scavi necropolis and the Vatican Grottoes are two different underground levels at St. Peter's Basilica. Here's what each one is and how to visit.

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Dress Code, Security & Rules at St. Peter's Basilica

What to wear, what to leave behind, and the security and conduct rules at St. Peter's Basilica — so you're not turned away at the door.

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Looking to book? See the featured underground tour →

ST. PETER'S BASILICA UNDERGROUND

St. Peter's Basilica Underground helps you book the highest-rated underground tour of St. Peter's Basilica — Vatican Grottoes, papal tombs, 4th-century walls and the Michelangelo dome climb, rated 4.8/5 by 4,144 guests. From $39 with free cancellation.

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Contact

  • info@stpeterbasilica-underground.com
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  • Piazza della Città Leonina, 2, 00193 Roma RM, Italy

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