Comayagua's cathedral is the finest colonial church in Honduras and one of the most important in Central America. Completed in 1715 after more than a century of construction, it dominates the central plaza with a massive baroque facade of volcanic stone. The interior contains colonial-era paintings, gilded altarpieces, and a collection of religious art accumulated over four centuries.
The clock in the bell tower is the cathedral's most famous feature — a Moorish astronomical clock originally built for the Alhambra in Granada around 1100 AD, donated by the Spanish Crown to Comayagua in 1636. It is one of the oldest known functioning clocks in the Americas and still keeps time. Admission is free; a small donation is appreciated.