Top Europe Underground Tours

Q: Which Europe Underground Tours have Instant Confirmation?

Europe Underground Tours with Instant Confirmation include: Blue Cave and Hvar Tour - 5 Islands Tour from Split and Trogir Devour Paris Ultimate Food Tour Porto Moniz, Seixal, Fanal Forest, Cliff Skywalk in Open Roof 4X4 Prague Ghosts, Legends, Medieval Underground and Dungeon Tour Blue Cave, Hvar & 5 Islands Speedboat Adventure From Split View all Tours with Instant Confirmation →

Q: Got any more Europe trip ideas?

We sure do. Check out our curated lists of hand-picked Europe Tours. Top 10 Europe 2026 Senior-friendly tours Europe The best tours and activities for culture lovers in Europe Top Day Trips from Europe Things to do in Europe this summer View all Europe Trip Ideas →

Q: What are the most popular styles of Tours and Activities in Europe?

Based on our sales data over the past year, the most popular styles of tours and activities in Europe are: Europe Luxury & Special Occasions Europe Luxury Tours Europe Tours & Sightseeing Europe Cultural & Theme Tours Europe Historical & Heritage Tours View all tour styles in Europe →

From Sliema: Comino Blue Lagoon, Crystal Lagoon & Sea Caves

Between Malta and Gozo lies the sister island of Comino, indeed a paradise for swimmers , snorklers , divers and walkers. it is the perfect …More

4.6 (212)

From Sliema: Comino Blue Lagoon, Crystal Lagoon & Sea Caves

Between Malta and Gozo lies the sister island of Comino, indeed a paradise for swimmers , snorklers , divers and walkers. it is the perfect...

7 hours 30 minutes Free Cancellation

4.6 (212)

from
$40

Kotor: Top Rated Blue Cave, Submarine Tunnels & Lady of the Rocks

Discover the highlights of Bay of Kotor (Boka Bay) on a scenic and time-efficient speedboat tour from Kotor. Skip the hassle of driving and explore …More

Kotor, Montenegro

4.7 (187)

Kotor: Top Rated Blue Cave, Submarine Tunnels & Lady of the Rocks

Discover the highlights of Bay of Kotor (Boka Bay) on a scenic and time-efficient speedboat tour from Kotor. Skip the hassle of driving and explore...

3 hours Free Cancellation

4.7 (187)

from
$43

Paris Guided Visit and Tasting in a Royal Wine Cellar

Visit a royal wine cellar in the heart of Paris: discover and learn about French wine in a fun and interactive experience ! …More

Paris, France

4.6 (174)

Paris Guided Visit and Tasting in a Royal Wine Cellar

Visit a royal wine cellar in the heart of Paris: discover and learn about French wine in a fun and interactive experience !...

1 hour Free Cancellation

4.6 (174)

from
$41

Antiparos & Despotiko: Swim, Explore, and Savor Lunch from Paros

Set off on an unforgettable sea adventure and uncover some of the Cyclades’ most beautiful hidden spots. Departing from Paros and cruising towards Antiparos, this …More

Paros, Greece

4.7 (161)

Antiparos & Despotiko: Swim, Explore, and Savor Lunch from Paros

Set off on an unforgettable sea adventure and uncover some of the Cyclades’ most beautiful hidden spots. Departing from Paros and cruising towards Antiparos, this...

7 hours Free Cancellation

4.7 (161)

from
$108

Sazan 360° Snorkeling Island, Caves & Karaburun Coast

A complete 360° journey around Sazan Island and Karaburun, combining snorkeling, sea caves, hidden bays, dramatic cliffs, and the island’s mysterious military past. From Hell’s …More

Vlore, Albania

4.7 (160)

Sazan 360° Snorkeling Island, Caves & Karaburun Coast

A complete 360° journey around Sazan Island and Karaburun, combining snorkeling, sea caves, hidden bays, dramatic cliffs, and the island’s mysterious military past. From Hell’s...

4 hours 20 minutes Free Cancellation

4.7 (160)

from
$46

Half day Cruise - Comino, Gozo, Blue & Crystal Lagoon, and Caves

Join family-run Xlendi Cruises, sailing since 1988, for a cruise around Comino from ĊIRKEWWA, Malta. ***Trip A | 4 hours | Sea Haven | 10:00 …More

4.7 (156)

Half day Cruise - Comino, Gozo, Blue & Crystal Lagoon, and Caves

Join family-run Xlendi Cruises, sailing since 1988, for a cruise around Comino from ĊIRKEWWA, Malta. ***Trip A | 4 hours | Sea Haven | 10:00...

3 to 4 hours Free Cancellation

4.7 (156)

from
$28

Krakow: Rynek Underground Museum Skip-the-line Guided Tour

Explore Kraków’s past on a guided tour of the Rynek Underground Museum. Skip the ticket line, use headsets if over 15 guests, and discover medieval …More

Krakow, Poland

4.6 (149)

Krakow: Rynek Underground Museum Skip-the-line Guided Tour

Explore Kraków’s past on a guided tour of the Rynek Underground Museum. Skip the ticket line, use headsets if over 15 guests, and discover medieval...

1 hour 30 minutes Free Cancellation

4.6 (149)

from
$40

Luxury Blue Cave & 5 Islands Tour from Split

Visit Croatia's Blue Cave and five most popular mid-Adriatic islands, including Hvar, on a small-group tour with our most spacious and luxurious speedboat from Split. …More

Split, Croatia

4.6 (127)

Luxury Blue Cave & 5 Islands Tour from Split

Visit Croatia's Blue Cave and five most popular mid-Adriatic islands, including Hvar, on a small-group tour with our most spacious and luxurious speedboat from Split....

10 hours Free Cancellation

4.6 (127)

from
$167

GOZO & Blue Lagoon Jeep Sunset Safari (Comino cave tour)

Do you want a lively, all-access, chauffeured tour of Gozo and Comino’s epic, unmissable sites? Yippee’s modern, comfortable Jeeps tackle any terrain – so strap …More

Mellieha, Malta

4.7 (127)

GOZO & Blue Lagoon Jeep Sunset Safari (Comino cave tour)

Do you want a lively, all-access, chauffeured tour of Gozo and Comino’s epic, unmissable sites? Yippee’s modern, comfortable Jeeps tackle any terrain – so strap...

7 hours Hotel pickup offered Free Cancellation

4.7 (127)

from
$97

Gozo & Comino: Blue Lagoon, Sea Caves -Small Group Day Trip

Small group, big adventure. Limited to 24 guests. Avoid the crowds, explore sea caves larger boats can’t reach, and swim at Blue Lagoon, Crystal Lagoon …More

4.7 (125)

Gozo & Comino: Blue Lagoon, Sea Caves -Small Group Day Trip

Small group, big adventure. Limited to 24 guests. Avoid the crowds, explore sea caves larger boats can’t reach, and swim at Blue Lagoon, Crystal Lagoon...

3 hours Free Cancellation

4.7 (125)

from
$34

Malta Valletta, Cruise Liner Excursion - Blue lagoon Boat Tour

Make the most of your time in Malta with this 4-hour tour designed for cruise passengers. We’ll pick you up from the Valletta Cruise Terminal …More

4.5 (111)

Malta Valletta, Cruise Liner Excursion - Blue lagoon Boat Tour

Make the most of your time in Malta with this 4-hour tour designed for cruise passengers. We’ll pick you up from the Valletta Cruise Terminal...

4 hours Hotel pickup offered Free Cancellation

4.5 (111)

from
$101

Our Custom built boats enter fully inside the caves and clients will not need to swap from one boat to another to enter, this will …More

Vilamoura, Portugal

4.5 (101)

Benagil Caves Tours Algarve

Our Custom built boats enter fully inside the caves and clients will not need to swap from one boat to another to enter, this will...

2 hours 30 minutes Free Cancellation

4.5 (101)

from
$48

Naples: City Center Walking Tour with Underground Naples

A walk in the historic centre through alleys and streets, stories and experiences, flavours and traditions. A 'full immersion' in the Neapolitan city where every …More

Naples, Italy

4.5 (100)

Naples: City Center Walking Tour with Underground Naples

A walk in the historic centre through alleys and streets, stories and experiences, flavours and traditions. A 'full immersion' in the Neapolitan city where every...

3 hours 30 minutes Free Cancellation

4.5 (100)

from
$85

Glass Bottom Boat Dolphin Cruise to Blue Lagoon and Turtle Cove

The Dolphin Glass Bottom Boat in Protaras is an unforgettable marine adventure, offering a unique way to explore the mesmerizing underwater world of Cyprus. This …More

Protaras, Cyprus

4.7 (89)

Glass Bottom Boat Dolphin Cruise to Blue Lagoon and Turtle Cove

The Dolphin Glass Bottom Boat in Protaras is an unforgettable marine adventure, offering a unique way to explore the mesmerizing underwater world of Cyprus. This...

3 hours Free Cancellation

4.7 (89)

from
$34

Private Boat Tour with Customized Itinerary from Split or Trogir

Private custom boat tour: Captain tips and your wishes.This tour is custom tour and Captain drive you where you want. Also Captain give you good …More

Trogir, Croatia

4.5 (82)

Private Boat Tour with Customized Itinerary from Split or Trogir

Private custom boat tour: Captain tips and your wishes.This tour is custom tour and Captain drive you where you want. Also Captain give you good...

9 hours Free Cancellation

4.5 (82)

from
$402

Caretta - Caretta Turtle Trip (Glass bottom Boat Trip)

Make your stay in the island of Zakynthos unforgettable by meeting the most popular secret attractions: - 3h boat trip,eco-friendly character. - Door to door …More

Laganas, Greece

4.5 (80)

Caretta - Caretta Turtle Trip (Glass bottom Boat Trip)

Make your stay in the island of Zakynthos unforgettable by meeting the most popular secret attractions: - 3h boat trip,eco-friendly character. - Door to door...

3 hours 30 minutes Hotel pickup offered Free Cancellation

4.5 (80)

from
$38

Malta: Blue lagoon, Gozo, Crystal Lagoon Sea Caves

Embark on a scenic boat tour from Malta to explore the stunning islands of Comino and Gozo. Starting from Marfa Jetty in Malta, the tour …More

4.5 (74)

Malta: Blue lagoon, Gozo, Crystal Lagoon Sea Caves

Embark on a scenic boat tour from Malta to explore the stunning islands of Comino and Gozo. Starting from Marfa Jetty in Malta, the tour...

4 hours Free Cancellation

4.5 (74)

from
$29

From Malta: Gozo Jeep Tour with Lunch and Hotel Transfers

Enjoy an unforgettable day exploring Gozo by Jeep, the ideal way to discover the island's most exquisite sights and hidden gems, all while taking in …More

Mellieha, Malta

4.4 (67)

From Malta: Gozo Jeep Tour with Lunch and Hotel Transfers

Enjoy an unforgettable day exploring Gozo by Jeep, the ideal way to discover the island's most exquisite sights and hidden gems, all while taking in...

7 to 8 hours Hotel pickup offered Free Cancellation

4.4 (67)

from
$96

Zakynthos Early Morning Small Group Tour Shipwreck & Blue Caves

Enjoy an early start to avoid heavy crowds while exploring Zakynthos in comfort. Travel in luxury with hotel pickup and drop-off, access hidden caves by …More

Zakynthos, Greece

4.5 (66)

Zakynthos Early Morning Small Group Tour Shipwreck & Blue Caves

Enjoy an early start to avoid heavy crowds while exploring Zakynthos in comfort. Travel in luxury with hotel pickup and drop-off, access hidden caves by...

8 hours Hotel pickup offered Free Cancellation

4.5 (66)

from
$96