It may have only been available last summer, but this $250K per month rental was the most expensive in the country in 2012. Owned by former Bond actor Pierce Brosnan, the environmentally friendly spread sits on Malibu's Broad Beach.

The Hamptons are rife with high-priced rentals, but this is currently the single most expensive on the open market. Listed for $650K for the three-month summer period, this 16,000-square-foot shingle-style mansion boasts seven bedrooms and 10 baths.

This seven-bedroom contemporary on Southampton's Meadow Lane is a near constant on the Hamptons summer rental market. The prized location earns it a hefty rent of $200K per month in the summer.

Known as The Sandcastle, this 26,500-square-foot megamansion was built by Hamptons homogenizer Joe Farrell, who packed in every concievable amenity in order to achieve a $166K per month rental rate. From the listing: "Rock Climbing Wall, DJ Booth, Virtual Golf, 2 Lane Bowling Alley, Full Bar and Disco, Spa, Media Area, Full Gym and Steam Room, Squash, Racquetball, Basketball and Volleyball Court, Tennis, 30 x 60 Gunite Pool."

Once occupied by legendary composer and playwright Cole Porter, this five-bedroom flat in Manhattan's Waldorf Towers is currently the city's most expensive, listed at $150K per month.

Located directly on the beach in the coveted Malibu Colony—a gated community popular with celebrities—this four-bedroom house might not look like much, but it is asking $125K per month in high season, or $70K a month for the entire year.

Located in the Time Warner Center, this apartment might be the worst value for money in NYC, no matter how nice the views. It has just two bedrooms and one bathroom, but is asking $110K per month.

Formerly owned by property hungry (and cash poor) actor Nic Cage, the very private Rhode Island estate known as Gray Craig now rents for around $100K per month. That price includes eight bedrooms and seven bathrooms, spread over nearly 25,000 square feet.