Sintra
PortugalPena Palace, Quinta da Regaleira gardens and palm forests in a 90 kmยฒ UNESCO heritage zone. Mild Atlantic climate year-round, walkable Serra de Sintra trails accept leashed dogs, and Lisbon airport is 30 minutes away.
Tivoli Palรกcio de Seteais - an 18th-century neoclassical palace turned 5-star hotel, framed by formal gardens with a Pena Palace view. Small pets welcome on request.