Princeton. Part of the former mansion of J.P. Morgan, this three-bedroom, two-floor apartment was built in 1897. Gilded Age elegance is preserved in the mahogany-paneled walls, carved bookshelves, 8-foot limestone fireplace, gold-leafed and vaulted ceilings, and master suite with fireplace and sitting area.

The large terrace overlooks manicured common gardens, and the great hall is available for entertaining. $2,195,000. Norman Callaway, Callaway Henderson/Sotheby’s International Realty, (855) 242-5776.

Newark. This five-bedroom 1912 brick Colonial stands on a grassy lot a few blocks from Branch Brook Park, conceived by Frederick Law Olmsted and designed by his firm, and famous for its cherry blossom trees.

The 15-room house features high ceilings, chair molding, original windows and floor tile, a master bedroom with wood-burning fireplace and spa bathroom, and a third-floor in-law suite. $599,995. Marsha Bowen Washington, Coldwell Banker Residential Brokerage, (646) 249-6212.

Boonton. Built in 1919, this five-bedroom Queen Anne Victorian retains many period elements, including stained glass, decorative molding, and a parlor with coffered ceilings. The master suite has a Jacuzzi, and a third-floor addition has floor-to-ceiling windows.

Near Grace Lord Park, the 0.61-acre property features stone walls, established gardens, a hot tub, and a pool. $850,000. Jacqueline Scura, First Choice Realtors|RE/MAX, (973) 335-4600.

Upper Saddle River. Brook Acres, first built in the early 1700s, is on the National Register of Historic Places. The five-bedroom house has chestnut floors, concealed bookshelf doors, a master suite with library, and a stone-walled wine cellar.

The 6-acre property has gates once owned by FDR, gardens, a barn, and a pool. $5,295,000. The Michael Randy Team, Coldwell Banker Residential Brokerage, (201) 218-5850.

Cape May. The Joseph Evans Cottage stands 100 yards from the beach in a historic seaside town known for one of the country’s largest collections of late-19th-century Victorians. The seven-bedroom house features high ceilings; French doors; original furniture, fireplace mantels, and gilt mirrors; screened porches; and unobstructed ocean views.

The lot includes a pergola, a gazebo, and a large back garden. $2,800,000. Gail Wilsey-Morrison, Long & Foster/Christie’s International Real Estate, (609) 884-1007.

Woodbury. Built circa 1880, this three-bedroom Colonial is in the Green Era Historic District, an easy commute to Philadelphia. The house has the original hardwood floors, a parlor with plantation doors, a master suite with beamed cathedral ceilings and clawfoot tub, and a screened porch.

Outside are a mahogany deck and hot tub, flowering trees, brick and stone paths, and wildflowers. $289,900. Nancy Casey, BHHS/Fox & Roach Realtors, (609) 560-7517.