Putricia, the smelliest flower in the world, displayed a rare bloom in the glasshouse of the Australian Botanic Garden.

The gardens are open daily from 7:30 a.m. until sunset. Additional information about the gardens' tours, plant collections and amenities can be found on the Royal Botanic Gardens Melbourne website.

Hours and Pricing The Denver Botanic Gardens is open every day, but hours vary seasonally. It opens at 9 a.m. and closes as early as 2:30 p.m. during the holiday season.

Reasons to stay: Central location, just a five-minute walk from the Rocks and a 20-minute walk from the Sydney Opera House and Royal Botanic Gardens Pier One Sydney Harbour restaurant Best views of ...