<p>The opulent grand foyer of the Palais-Garnier, built under Napoleon III, dazzles. Once the home of the Paris Opera, it now primarily features ballet. The building's interior is filled with gold leaf, precious stones, frescoes, and marble.</p>

Palais-Garnier, Paris

The opulent grand foyer of the Palais-Garnier, built under Napoleon III, dazzles. Once the home of the Paris Opera, it now primarily features ballet. The building's interior is filled with gold leaf, precious stones, frescoes, and marble.

Photograph by Massimo Borchi, Corbis

Travel 365: Best of December 2014

See the ten most popular Travel 365 pictures from December 2014 National Geographic Travel.

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