On a budget, Russian Orthodox Cathedral (St Nicholas) still earns its price.
€3 (free for worship)
A startling burst of pink-and-ochre Russian onion domes dropped into a residential Riviera street, built for the exiled Romanov-era aristocracy who wintered here — its scale and the gilded, icon-filled interior genuinely surprise. It's a 30-minute curiosity rather than a half-day sight: away from the centre, with a strict shoulders-and-knees dress code, and the calm can be broken by services or coach groups.