Bahá'u'lláh, who declared his mission in a garden outside Baghdad in 1863 and spent the rest of his life in Ottoman custody, wrote about death with unusual consistency and unusual reticence. Consistency, because the position never wavers: the soul is a rational, non-material reality that begins at conception, survives the body, and progresses without end. Reticence, because he repeatedly declines to describe the destination. The next world, he writes, is as different from this one as this world is from the world of the child in the womb — an analogy that does real work, because it concedes that the question cannot be answered in the terms of the questioner.
The consequences are sweeping. There is no physical resurrection, no last trumpet, no bodily reassembly; the resurrection language of earlier scriptures is read as symbolic of spiritual awakening and of the appearance of a new Manifestation of God. There is no reincarnation — the soul does not return, and the Bahá'í writings reject the idea directly. And there is no hell in the received sense. Heaven and hell are states, not addresses: nearness to God and remoteness from God, which begin in this life and continue in the next. The suffering of the remote soul is precisely the suffering of remoteness — the recognition of what it failed to develop — and even that is not final, because progress remains possible after death through God's grace and through the prayers of the living.
That last provision matters. The Bahá'í dead are not sealed. The faithful pray for those who have died, and those prayers are held to assist them; the departed, in turn, can influence the living. What is closed is the opportunity to acquire the spiritual qualities that were the whole purpose of embodied life. The metaphor Bahá'u'lláh and 'Abdu'l-Bahá return to is developmental: the embryo grows eyes and hands it cannot use in the womb and will need immediately outside it, and in the same way a person grows — or fails to grow — love, knowledge, generosity, and detachment, which are the organs of the next world. To arrive without them is not to be punished. It is to be blind there, having declined to grow eyes here.
For a comparative atlas this is the outlier in the Abrahamic family. Judaism, Christianity, and Islam all build architecture — chambers, gardens, fires, bridges, a Day. The Bahá'í writings dismantle the architecture and keep only the direction of travel. What remains is an afterlife defined entirely as motion: no destination, no floor plan, no terminus, and no point at which the soul has arrived and stops.