Untermyer Park, located in Yonkers, New York (not New Jersey), is a historical and stunning park that offers visitors a unique and immersive experience. The park covers 43 acres of land and is renowned for its beautiful gardens, architectural features, and rich history. Here is a summary of Untermyer Park along with specific points of interest, interesting facts, and the best time to visit.

Reasons to Visit:
1. Historical Significance: Untermyer Park was originally the private estate of Samuel J. Untermyer, a prominent lawyer and civic leader in the early 20th century. The park's historical value provides a glimpse into the Gilded Age and the era's luxurious lifestyle.
2. Scenic Beauty: The park's gardens are beautifully designed and offer breathtaking views. Visitors can stroll through the Persian Garden, the Walled Garden, the Vista, and the Temple of Love, all showcasing different styles and themes.
3. Architectural Marvels: Untermyer Park hosts several impressive architectural structures, including the Greek-style amphitheater and the grand Untermyer Fountain. These structures add a touch of grandeur to the park's overall ambiance.
4. Cultural Events: The park frequently hosts cultural events, such as concerts, art exhibits, and theater performances. Visitors can enjoy live performances in a picturesque setting, adding an extra element of entertainment to their visit.

Points of Interest:
1. Persian Garden: Inspired by ancient Persian gardens, this oasis features arched walkways, mosaic tiles, water features, and lush greenery, creating a serene atmosphere.
2. Walled Garden: A beautiful walled garden with terraced beds, fountains, and stone columns, perfect for a peaceful walk or picnic.
3. Temple of Love: A Greco-Roman style structure with stunning views of the Hudson River. The temple boasts intricate detailing and offers a romantic setting for visitors.
4. Untermyer Fountain: This grand water feature is adorned with sculptures and offers a remarkable centerpiece to the park.

Interesting Facts:
1. The park was once considered one of America's great gardens, receiving visits from dignitaries and prominent figures such as Franklin D. Roosevelt and Albert Einstein.
2. Untermyer Park was designated a New York City Landmark in 1976, recognizing its architectural and historical significance.
3. The park contains a variety of plant species, including rare and exotic plants, making it an exciting destination for horticulture enthusiasts.
4. Untermyer Park is often hailed as an outdoor museum due to its extensive collection of sculptures and architectural elements.

Best Time to Visit:
The ideal time to visit Untermyer Park is during the spring and fall seasons. Spring offers the opportunity to witness the gardens in full bloom with vibrant colors and fragrances, while fall showcases the beautiful foliage. Visiting on weekdays or early in the morning on weekends can help avoid crowds and provide a more peaceful experience.

Note: While Untermyer Park is an exceptional destination, it should be noted that it is located in Yonkers, New York, not New Jersey. Please ensure to verify the accuracy of this information from multiple independent sources before planning your visit.