Vocabulary in Context: Quixotic Meaning

Read the following excerpt from a novel:

"The room was adorned with an eclectic mix of artifacts, showcasing the owner's travels around the globe. On one shelf, a quixotic collection of miniature figurines stood next to a stark, geometric vase, which fascinated visitors. Every corner told a story, from the vibrant tapestries to the antiquities that seemed to whisper secrets of bygone eras."

In the sentence, what does the word quixotic most closely mean in this context?