The stunning Duhau Palace belonged to one of the wealthiest families within Buenos Aires’s oligarchy. Book a palace suite for the ultimate in luxe stays. Contemporary rooms at the more modern tower offer wonderful views of the hotel’s impeccable gardens. The basement spa is second to none, and includes a semi-Olympic size indoor swimming pool. Pile calories back on at Italian restaurant Gioia or at the Vinoteca, home to 8,000 wine labels. High tea at Piano Nobile Salones is a luxurious blast from the past.