Archaeoastronomy · sacred architecture · symbolism · regression

Isola Tiberina a Roma circondata dal fiume Tevere

Along the Tiber, we explore temples, passageways and hidden sanctuaries.

We visit the Arch of Janus with its four archways, the round Temple of Hercules Victor and the Temple of Portunus, god of harbours.

In the crypt of Santa Maria in Cosmedin and among the temple remains beneath San Nicola in Carcere, we discover how ancient sacred sites survive beneath later churches.

On Tiber Island, at the Basilica of San Bartolomeo, we discover the history of the ancient sanctuary of Aesculapius: the serpent, his connection with the constellation Ophiuchus, the Serpent Bearer, and the ritual sleep through which people sought healing.

Archaeoastronomy, sacred architecture and symbolism guide our exploration. We conclude with a guided regression.

What You’ll Discover

Temples and thresholds


The circular plan of the Temple of Hercules, the entrance to the Temple of Portunus and the four passageways of the Arch of Janus:

we explore the forms, orientations and symbols of sacred architecture.

Archaeoastronomy and celestial myths


We investigate the relationship between sacred sites and the sky, from architectural orientations to the mythological connection between Aesculapius and Ophiuchus, the Serpent Bearer.

Layers of the sacred


In the crypt of Santa Maria in Cosmedin, among the temple remains beneath San Nicola in Carcere and at San Bartolomeo on Tiber Island, we discover traces of ancient sacred sites.

Ritual sleep and regression


We discover the role of ritual sleep and dreams in the cult of Aesculapius.

We conclude the tour with a guided regression, offering space for personal exploration.

Is the Sacred Tiber for you?

✓ You are fascinated by ancient temples, passageways and sacred sites hidden beneath Rome’s churches.

✓ You want to explore the relationship between architecture and the sky through archaeoastronomy, orientations and celestial myths.

✓ You are curious about Aesculapius, the symbolism of the serpent and the ancient practice of ritual sleep in search of healing.

✓ You would like to experience a guided regression, allowing space for the images and experiences that arise within you.

Practical Information


✓ Exclusive experience for your own private group.

✓ Duration: approximately 3 hours.

✓ Fee: €249 per group.

✓ Crypt admission fees are not included. Voluntary donations to the churches are appreciated.

✓ Please wear clothing that covers your shoulders and knees out of respect for the basilica.

✓ Meetingpoint: Piazza di San Bartolomeo all’Isola, Roma.

✓ We use headsets. Please bring your own wired earbuds or wired headphones (3.5 mm jack plug).

✓ You will receive a notebook and pen to record your reflections and personal experiences.



No. No previous experience is required. The exercises and regression are suitable for both beginners and those who have experienced regression before.

No. The experience includes an easy walk through the historic centre of Rome. A normal level of fitness is sufficient.

Light rain is usually not a problem. If the weather makes the experience impossible, we will arrange a new date together.

Approximately 3 hours.


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Judith Verberne

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