The Chamber of a Hundred Columns, a network of twisting roads, and a central staircase with a mosaic dragon fountain can be found in a park that also features a notable unfinished crypt designed for his patron.  
Three sculpted heads at the top and entrance columns in the form of stacked bobbins are seen in an early residential design of his and allude to the identity of his client, a textile manufacturer. Earlier, for the World Expo, he designed the Pavilion of the Transatlantic Company. The Chamber of a Hundred Columns, a network of twisting roads, and a central staircase with a mosaic dragon fountain can be found in a park that also features a notable unfinished crypt designed for his patron.  Another work is characterized by organic stone possibly inspired by ocean waves or clouds and became known locally as "The Quarry" but was not commissioned by Eusebi Guell. His most famous design is marked by spindle-shaped towers and three facades, including the Passion and Nativity ones.  For 10 points, name this architect of Casa Mila and La Sagrada Familia, both in his native Barcelona.
Three sculpted heads at the top and entrance columns in the form of stacked bobbins are seen in an early residential design of his and allude to the identity of his client, a textile manufacturer.
Antonio Placido Guillermo Gaudi i Cornet [the first building mentioned is the Casa Calvet and the park is the Park Guell]