3-Hour Hidden Archaeology Walking Tour of Lisbon with Underground Sites

3 Hours Round trip from Lisbon Moderate pace

The journey

Trip highlights
  • 01 Explore hidden archaeological sites beneath Lisbon's modern streets and buildings
  • 02 Descend underground to see surviving sections of the 13th-century wall of King Dinis
  • 03 Discover Roman fish-sauce production tanks linked to trade across the Roman Empire
  • 04 Visit preserved Fernandine walls and towers inside a modern shopping center
  • 05 Enter the crypt of the Church of Saint Anthony, a site of strong religious significance
  • 06 Examine traces of a 17th-century house preserved in an unexpected public space
  • 07 See the notable remains of the Roman theater

Discover a lesser-known side of Lisbon on this exclusive 3-hour guided walking tour, uncovering the city's hidden archaeological layers beneath modern streets and buildings. Explore underground remains from the Iron Age, Roman tanks once used for imperial trade, medieval city walls, secret crypts beneath churches, and remarkable discoveries concealed in public spaces and unexpected locations. It is a deeper and surprising way to understand Lisbon's ancient past through the traces still preserved across the city.

At a glance

What this trip includes

Duration 3 Hours
Tour type Private
Activity level Moderate
Accommodation Not included
Transport Not included
Wheelchair access No
City Lisbon
Languages English, Portuguese, Spanish

Day by day

The itinerary

1
Day 01

Hidden Archaeological Layers of Lisbon

Stop 1: Archaeological Center (Subject to Availability)

  • Begin the tour with a visit to a major archaeological center that brings together layers of Lisbon's history in a single space.

  • Explore remains dating from the Iron Age through the Roman, medieval, and early modern periods.

  • Follow a guided explanation led by an internal specialist guide.

  • Understand how different civilizations occupied and transformed the same ground over the centuries.

  • Continue the tour with the main guide after the internal visit concludes.

Stop 2: Underground Remains of the 13th-Century Wall of King Dinis

  • Descend below street level to observe surviving sections of the medieval wall ordered by King Dinis.

  • Learn how this defensive structure once defined the limits of the city and protected Lisbon during the Middle Ages.

  • Examine how modern buildings coexist with deeply buried historical remains.

Stop 3: Rossio Square

  • Walk through one of Lisbon's most famous public squares.

  • Discover archaeological evidence revealing that this area held major importance long before it became a civic square.

  • Use historical images and reconstructions to understand what once existed here thousands of years ago.

Stop 4: Fernandine Walls inside a Shopping Center

  • Enter a modern shopping center to find preserved remains of walls and towers from the Fernandine period.

  • Observe how medieval military architecture is integrated into contemporary urban spaces.

  • Discuss Lisbon's expansion during the fourteenth century.

Stop 5: Rua da Prata

  • Walk along Rua da Prata while learning about what lies hidden beneath the pavement.

  • Understand the Roman and post-Roman urban layout preserved below ground level.

Stop 6: Campo das Cebolas

  • Visit a square where recent archaeological excavations revealed unexpected and significant discoveries.

  • Learn about Lisbon's relationship with trade, the riverfront, and maritime activity.

  • Examine how new findings continue to reshape the understanding of the city's past.

Stop 7: Church of Saint Anthony

  • Descend into a crypt beneath the church dedicated to Saint Anthony.

  • Explore a space of strong religious significance valued by Christians worldwide.

  • Discuss the historical and spiritual importance of this site within Lisbon.

Stop 8: Public Bathroom with 17th-Century House Remains

  • Public bathroom preserves visible remains of a seventeenth-century residence.

  • Examine architectural elements that reveal domestic life in early modern Lisbon.

  • Note the excellent condition and cleanliness of the site.

Stop 9: National Museum of Roman Theater

  • See the magnificent remains of the Roman theater in Lisbon

  • A chance to explore during a quick visit to the museum, featuring artifacts discovered in the theater area

Stop 10: Archaeological Section with Roman Tanks and Old Port Traces

  • Observe Roman fish-sauce production tanks once used to manufacture a product famous across the Roman Empire.

  • Identify fragments of porcelain and other materials from later periods.

  • Learn about nearby remains connected to Lisbon's historic port activity.

End of Tour: Return to Praça do Comércio

  • Conclude the visit in the grand commercial square.

  • Receive a surprising and ancient recommendation connected to Lisbon's archaeological past.

  • End the tour with a deeper understanding of the hidden layers beneath the modern city.

The route

Where you'll travel

Tour route map
Round trip from Lisbon 1 city · 3 Hours

The fine print

Trip details

What's Included

  • Guide

  • Entrance to the public archaeological site

  • Entrance to the National Museum of Roman Theater

What's Not Included

  • Personal expenses

What to bring

  • Good footwear

  • Water

Know before you go

  • The tour will include some uphill climbs.

  • One of the archaeological site visits is subject to availability and, if available, will be conducted by an archaeologist from the site.

Logistics

Meeting & route

Meeting point
Praça do Comércio, Lisboa, Portugal
Tour start
Lisbon, Portugal
Tour ends at the same location as the start point.
End of the journey

Your 3 hours finish where they began, in Lisbon.

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