12 Hidden Gems of Europe That You Haven’t Explored Yet!

by Travelopod

August 05, 2025

Traveling through Europe doesn’t always have to be about loud crowds or famous landmarks. If you're looking for a tranquil and unique experience, Europe has got you covered. To add more peace and a touch of green to your journey, we’ve curated 12 hidden gems of Europe, or more accurately, lesser-known gardens that offer a calm escape from the busy streets and your usual European travel itinerary.

1. El Capricho Park - Madrid, Spain


Step through fancy gates into a living fairytale. Stroll winding paths under oak and chestnut trees. Check out the lake, the elegant old mansion, and a real maze in Italian style. There’s even a Civil War bunker you can explore on guided tours. Bring a snack, grab a shady bench, and feel the calm.
Opening Hours: Sat, Sun, holidays only
Summer (Apr–Sept): 9 am–9 pm
Winter (Oct–Mar): 9 am–6:30 pm
Admission: Free
Tip: No picnics or dogs, please!

2. The Onion Garden - London, UK


Right near Victoria Station, this place is purely heartfelt. Once a dull concrete lot, now it’s a burst of life with herbs, fruit trees, and over 200 plants. Keep an eye out for hanging onion-like sculptures, a cozy little café, and a see-through beehive buzzing with life. Locals, workers, and people rebuilding their lives gather here with smiles.
Opening Hours:
Mon–Fri: 7:30 am–4:30 pm
From Sept: Sat 9 am–5 pm
Closed Sun and holidays
 Admission: Free

3. Anne Frank Garden - Paris, France


Hidden in the Marais, this quiet garden is a gentle tribute to Anne Frank’s courage. Wander among green trees, colorful flowers, and statues full of hope.  Standing tall here is a chestnut tree grown from the one she saw in hiding. Feel her story come to life in the quiet paths and inspiring quotes.
Opening Hours: Daily
Apr–Oct: 10 am–8:30/9 pm
Nov–Mar: 10 am–5 pm
Admission: Free
Tip: Look for shady benches, the rose pergola, and a small kids’ play area.

4. Brera Botanical Garden - Milan, Italy


Hidden behind the Palazzo Brera, this peaceful garden has roots going back to 1775. Once cared for by monks, this garden still grows rare herbs and plants that tell stories of the past. Two ancient ginkgo trees stand guard, nearly 250 years old! Wander along neat paths or relax by the ponds.
Opening Hours:
Apr–Oct: Mon–Sat, 10 am–6 pm
Nov–Mar: Mon–Sat, 9:30 am–4:30 pm
Closed: Sun and holidays
Admission: Free
Tip: Calm place for photos—no eating or smoking, though!

5. Lisbon Botanical Garden - Lisbon, Portugal


Tucked near Príncipe Real, this leafy spot feels like a secret forest right in the city. Stroll under tall palms and rare subtropical plants. There’s a butterfly house and peaceful statues to spot. Cozy benches make perfect reading corners, and the fountains feel magical.
Opening Hours:
Summer: 9 am–8 pm
Winter: 9 am–6 pm
Closed: Christmas, New Year, Easter, May 1
 Admission: €3–5 (free Sundays 10 am–1 pm)

6. Ajuda Botanical Garden - Lisbon, Portugal


Step into royal history. Created in the 1700s, this terraced garden has over 5,000 species waiting to greet you. Wander along winding stone paths lined with scented herbs and old dragon trees offering cool shade. The “Aroma Garden” is a treat for your senses, and the river views are breathtaking.
Opening Hours:
May–Sept: 9 am–6 pm (weekends/holidays till 8 pm)
Nov–Mar: 10 am–5 pm
Apr/Oct: 10 am–5 pm (weekends/holidays till 6 pm)
Closed: Dec 25, Jan 1
Admission: Adults €2, students/seniors €1, kids under 12 free

7. Centralbadets Garden - Stockholm, Sweden


Hidden behind a spa, this dreamy courtyard feels like a secret. Shady trees, flowering shrubs, and a gentle pond make it a peaceful escape. Sip coffee, eat a pastry, and watch the world slow down. Late-afternoon light is perfect for photos.
Opening Hours:
Mon–Fri: 7 am–8:30 pm
Sat–Sun: 9 am–5:30 pm
Admission: Spa entry covers garden (around $40–$55 for 3 hours)

8. Garden of the Royal Library - Copenhagen, Denmark


This green hideaway is tucked between history and books. Tall trees, gentle ponds, and quiet statues make you slow down and smile. Sit with a good read, share a snack with a friend, or just watch the sky change.
Opening Hours: 
Daily 6 am–10 pm
Admission: Free
Tip: Great for peaceful picnics and soft sunset photos.

9. Botanical Garden of Zagreb - Croatia


Close to the train station, this little garden is a gem. Stroll over gentle bridges, spot unique Asian lilies, and unwind by the peaceful pond on a cozy bench. Ducks paddle by, and wildflowers change with the seasons. It’s quiet, easy, and sweet.
Opening Hours:
Apr–Nov: Mon–Tue 9 am–2:30 pm; Wed–Sun 9 am–7 pm (Oct till 6 pm)
Closed Dec–Mar (may open if weather is nice)
Admission: Free or 10 HRK (~€1.3)

10. Zrinjevac Park & Green Horseshoe - Zagreb, Croatia


These garden squares link together like a green necklace. Tall trees, fountains, and flower beds fill the space with life. Musicians often play here, and summer concerts feel extra magical. Sit back, enjoy a snack, and take in the view as life moves around you.
Opening Hours:
Daily, year-round
Admission: Free
Tip: Great for photos, music, and easy strolls.

11. Károlyi-kert - Budapest, Hungary


Budapest’s oldest park feels like a warm secret. English-style lawns, colorful flower beds, and winding paths welcome you in. Kids love the playground, and everyone loves Károly the rabbit statue! It’s peaceful, playful, and perfect for lazy afternoons.
Opening Hours: 
Daily 8 am–9 pm
Admission: Free
Tip: Bring a picnic and snap fun photos.

12. University Library Roof Garden - Warsaw, Poland


Ride the elevator and step into a rooftop world full of green! This rooftop garden has bright flower “rooms,” shady pergolas, and amazing city views. Sunset here is pure magic.
Opening Hours:
May–Sept: 8 am–8 pm
Apr/Oct: 8 am–6 pm
Nov–Mar: 8 am–3 pm (lower garden only)
Admission: Free

Tip: Check official sites before visiting for special events or closures. Hours may change due to holidays, maintenance, or weather. This helps you plan your visit without surprises.

Don’t just follow the crowds, try an alternative travel in Europe. These hidden gems of Europe will add an off-the-beaten-path experience to your European travel, where the beauty isn’t just for the eyes, but for the soul.  These peaceful spots let you discover a side of Europe all your own.

Book your flights to Lisbon for a quiet getaway across Europe’s secret gardens. Call Travelopod at +1-929-269-8013 to find the budget-friendly flights to Europe from the USA.