4000 Euclid Avenue is an icon — a remarkable fusion of Italian and French style — in Dallas’ most desirable neighborhood. In the heart of Highland Park, the centerpiece of this luxurious estate is a masterpiece of home design by renowned architect Robbie Fusch of Fusch Architects, meticulously crafted over five years and completed in 2015. Set on one of the largest lots possible in Highland Park — more than an acre of lush, landscaped grounds, filled with beautiful azaleas and stately live oaks — this extraordinarily graceful home offers more than 24,000 square feet under roof, including the 4,600-square-foot, air-conditioned basement and the five-car garage. The home’s interior features both matte and gleaming plaster walls, wood-paneled walls, floors of limestone (reclaimed from French chateaux and imported from Paris) and exquisite hardware sourced from Bronzes de France. Every room exudes European elegance; every facet reflects a remarkable commitment to luxury, comfort, craftsmanship and grand-scale entertaining. It is much more than a home: It is a private retreat for those who appreciate the finest things in life.The main level offers a grand foyer with soaring vaulted ceilings and a magnificent ceiling dome adorned with 24-karat gold leaf. The dining room boasts a marble fireplace imported from Europe, cracked-burlap walls and elegant wall niches backed in antique mirror. An intimate apéritif room offers views of the serene landscaping beyond. The living room is fitted with hand-carved custom millwork, Marmorino plaster walls and a stunning imported fireplace. There is a sunroom (complete with heated floors) for relaxation and dining, which opens to a tranquil courtyard (also with heated floors) that features a fishpond fountain, swimming pool, full alfresco kitchen and loggia with antique fireplace.The secluded owners’ wing is on the main level and offers two bedroom suites for the ultimate in luxury. One features burnished gold-leaf bedroom walls, a lavish bath with a soaking tub and a multilevel closet with staircase, motorized clothing lift and temperature-controlled fur-storage room. The other suite features a large bedroom, a bath accented in brown marble (and featuring a copper-leaf ceiling) and a spacious closet with glass-front cabinetry. A laundry room is conveniently situated between the two bedrooms and a private sitting room with an antique fireplace connects the two suites, creating a most intimate retreat. Additional rooms on the main floor include a library with hand-carved fireplace, two offices, side-by-side guest powder rooms (one with silver-leaf walls, one with gold-leaf walls) and a catering kitchen with separate appliances and private entrance.The upper level offers three spacious bedrooms, each with sumptuous en-suite baths. A fully equipped workout room leads to a terrace that overlooks the courtyard. There is a handy craft room and a spacious guest apartment with a living room, kitchen, bedroom, bath and separate outside entrance, providing privacy and comfort for guests.The home’s basement level reveals a wine-tasting room (complete with a hand-carved wall relief of Dom Pérignon, imported from Italy), sitting area, full bar and temperature-controlled cellar for wines and champagnes. There are tidy rooms for the home’s essential systems and controls, including elevator, security and HVAC.Other details and features: Custom finishes throughout, including exterior limestone trim from Italy, travertine from Mexico and handmade Spanish-style roof tiles from Colombia. Five bedrooms in all, each with private baths and separate thermostats. Four laundry rooms. Commercial-sized elevator servicing all three levels. Five-car garage with dog bath. Air-conditioned and heated greenhouse. 500kW Generac generator. 165-gallon water-purification system. Geothermal heating and cooling with 75 wells reaching 300 feet deep. Landscape design by Lambert Landscape Company, featuring five large live-oak tre