I was at an AIA event recently, wandering between booths the way I do, less looking for anything specific, more letting my eye catch whatever it catches, when I stopped in front of a sauna. Not a sauna the way I’d filed it away in memory: tucked by the back door or squeezed into a corner of the garage, close enough to the house that you could get from your bedroom to the heat and back without making a production of it. This was something else entirely. Considered cladding. Real glazing. Proportions that had clearly been drawn, not just ordered from a catalog. It had the quiet confidence of a guest house: an ADU, in the language we use now. Something with a right to exist as its own structure.
The booth that stopped me: real proportions, real glazing, on an ordinary trade show floor. (Photo: Saskia Snyder, AIA trade show floor)
I stood there longer than I meant to. Because what I was looking at wasn’t a wellness amenity anymore. It was architecture. And that shift, small as it might sound, tells a much bigger story about how we’re choosing to care for ourselves now.
A Ritual Older Than the Word “Wellness”
I want to be careful here, because it would be easy to talk about the sauna as if it’s new. It isn’t. Heat as ritual is one of the oldest, most consistent threads running through human culture: Finnish saunas going back thousands of years, the Turkish hammam, the Japanese onsen, sweat lodges built into Indigenous traditions across the Americas long before any of us had a word like “self-care.” Every one of these traditions understood something we’re only now re-learning in the language of the nervous system: that heat, held in a dedicated space, does something to the body that a quick shower or a heating pad never could. It slows you down. It asks for time. It asks for presence.
The instinct is old: long before anyone called it wellness.
The specifics differ everywhere this ritual took root, but the instinct never does:
Finland (Sauna): High dry heat; pouring water on rocks (löyly); hitting the skin with birch twigs (vasta); jumping into frozen lakes (avanto).
Russia (Banya): Lower air heat but intensely high humidity; rigorous full-body skin slapping using leafy birch or oak bundles (venik).
Turkey & Middle East (Hammam): Mild, continuous steam heat; heated-marble architecture; intensive full-body soap scrubs (kese) and massages.
South Korea (Jjimjilbang): Massive, multi-room, 24-hour bathhouses featuring specialized clay, jade, and salt kiln saunas.
Indigenous Americas (Inipi / Temazcal): Domed stone or mud sweat lodges; intense steam generated from volcanic rocks doused with aromatic, medicinal herb waters.
Germany & Central Europe (Aufguss): Highly ritualized continental sauna where an advanced “Saunameister” precisely swirls hot, essential-oil steam using towel maneuvers.
The same ritual, reinvented independently across cultures and continents.
Somewhere along the way, at least here, at least recently, we flattened that ritual into a feature. Tucked by the back door, squeezed into the garage, someplace private enough that you could slip from your room to the heat without an audience. Convenient, practical, but stripped of its dignity.
What I saw at AIA was that dignity coming back.
From Amenity to Architecture
The technical shift is worth naming plainly, because it’s not subtle: saunas today are being engineered and clad the way a legitimate small structure would be, thoughtful massing, real material choices, proper glazing, a footprint substantial enough that it needs its own site plan rather than an afterthought placement near the pool equipment. Some are freestanding entirely, sitting on the property with the same visual weight as a pool house or a studio.
The units on the floor at AIA made the point better than I could have described it. Built-in speakers. Mood lighting that shifted slowly through color rather than sitting on one warm white setting. A bench angled back like a real chaise instead of a flat plank you perch on. And they weren’t built to one size, some were sized for two, intimate and quiet, while others could comfortably seat up to six people upright, clearly built for a family or a group rather than a solo ritual. None of it read as excessive, it read as considered, the same way a well-designed living room is considered, scaled to how the people who’ll actually use it live.