  ALMA observations of protoplanetary disks acquired by the Disk Substructure
at High Angular Resolution Project (DSHARP) resolve the dust and gas emission
on angular scales as small as 3 astronomical units, offering an unprecedented
detailed view of the environment where planets form. In this article, we
present and discuss observations of the HD 163296 protoplanetary disk that
imaged the 1.25 mm dust continuum and $^{12}$CO J=2-1 rotational line emission
at a spatial resolution of 4 and 10 au, respectively. The continuum
observations resolve and allow us to characterize the previously discovered
dust rings at radii of 67 and 100 au. They also reveal new small scale
structures, such as a dark gap at 10 au, a bright ring at 15 au, a dust
crescent at a radius of 55 au, and several fainter azimuthal asymmetries. The
observations of the CO and dust emission inform about the vertical structure of
the disk and allow us to directly constrain the dust extinction optical depth
at the dust rings. Furthermore, the observed asymmetries in the dust continuum
emission corroborate to the hypothesis that the complex structure of the HD
163296 disk is the result of the gravitational interaction with yet unseen
planets.
