One of Lisbon's most visited sights, the Coaches Museum (Museu Nacional dos Coches) has the largest and most valuable collection of its type in the world. It is housed in a richly decorated 18th century royal riding school that is part of Belem Palace, illustrating the ostentation and staggering wealth of the old Portuguese elite.
The detail of the coach that King Carlos & heir to the throne were killed in 1st. February 1908.
http://www.golisbon.com/sight-seeing/coaches-museum.html