12 Unbelievable Penthouse Suites Slideshow

The One Penthouse at Cape Town's One & Only has one of the most coveted views of Table Mountain of anywhere in the city. Guests can see it from their private rooftop pool, from the couches on the terrace, or in the living room during cocktail hour. Guests can choose custom pillows and scents for the suite and indulge in a "Taste of South Africa" platter on arrival, and anything is possible with the 24-hour butler service that comes with the suite.

Richly designed with intricate textures and patterns, La Mamounia is one of Morocco's most stunning hotels, and its Suite Al Mamoun showcases its incomparable luxury. With views of the Atlas Mountains and the Agdal gardens, it boasts two bedrooms with red velvet-lined beds and silk chairs. Leaving the room is hard, except for Sunday brunch at the hotel, which is a generous feast served poolside.

Overlooking the city lights below, The Fairmont's Penthouse Suite oozes comfort and luxury, with a fireplace, formal dining room, private library, billiard room, and a gorgeous outside terrace. The mosaic-tiled terrace's stunning view provides the perfect backdrop for 24-hour room service, whether it's freshly baked croissants at sun-up or Dungeness crab chowder at dusk.

The Rome Cavalieri Hotel is one of the most luxurious properties in Italy, and its Penthouse Suite overlooks the dome of St. Peter's Basilica. With a private wine cellar, separate dining area with a bar, a cigar humidor, a jacuzzi on the terrace, a series of artwork by Andy Warhol, and a coatroom for guests, the suite is gilded from top to bottom.

With 6,000 square feet, relaxing is easy, though it may be hard to decide exactly where in this two-level suite at Miami's Raleigh Hotel to unwind. The private terrace has an outdoor shower, 360-degree views, and ample room to lounge, while inside the rooms are sleek and nautical with plenty of white, blue, light wood, and Art Deco accents. The 24-hour in-room dining offers everything from freshly baked goods to braised short ribs.

With a coastal view of Cabo from an enormous terrace and a wood-burning fireplace within, Las Ventanas' Ty Warner Penthouse is the picture of beachside luxury. The suite boasts a full kitchen, dining room, and private wine cellar, while breakfast in bed can be arranged. Ask ahead for a night of "sleeping with the stars," where the hotel will set up a luxe outdoor bedroom on the suite's terrace (pictured).

Stone pillars welcome guests into the modern, two-level Bulgari Villa at the Bulgari Hotel Bali, which boasts a private pool, private cinema, a bar, full kitchen, and a meditation pergola in its confines. The hotel's bar, with its own infinity pool, coaxes guests out of their villas with stunning sunset views and signature sangria.

The Peninsula Hotel is one of Hong Kong's most spectacular examples of luxury. With floor-to-ceiling windows looking onto Victoria Harbor, an outdoor terrace, mini private gym, full kitchen, executive office, Rolls-Royce on call, and all-day room service, the Peninsula Suite is a big part of its opulence. Sneak out to sample one of the hotel's 10 eateries, whether it's fine dining or poolside.

In the land of perpetual sun and sunbathing, The Cosmopolitan's Wraparound Terrace Suite offers an oversized outdoor terrace perfect for lying out or partying it up. It is cool and modern, with gorgeous views, a full bar with a wine cooler and plenty of drinks, a kitchen, and a separate dining area. Order up a "Rise & Shine" morning cocktail from room service; it pairs perfectly with wraparound terraces.

The Park Hyatt Paris' Imperial Suite is truly the lap of luxury, with no detail left out. Right on the bustling Place Vendôme, this suite comes complete with spa features in the bathrooms, a kitchen, separate dining area, and 24-hour room service, offering classic French fare like flaky croissants, in-room afternoon teas, cheese platters, and seasonal tarts.

The gilded Sultan Suite at the Ciragan Palace in Istanbul is lined with gold silk curtains that frame the windows overlooking the Bosphorus. A gold-plated claw-foot bathtub stands in the bathroom near the handmade hammam and the steam room, while the 24-hour butler can set up dinner for up to 12 guests in the suite's private dining room.

The Carlyle Hotel exudes unbridled luxury from the moment you step through the doors, but their 2,600-square-foot Empire Suite is on another level. The sumptuous suite has four and a half bathrooms, an art collection, Central Park views, and a full kitchen. Of course, few would cook for themselves when there are 24-hour room service choices like Norwegian smoked salmon, caviar by the ounce, and apple tarte tatin.