Madrid panoramic bus tours: day vs night routes, what landmarks you'll see, and how to book the best sightseeing option.

MNAC tickets, what to see in the Romanesque and Modernisme collections, and the dramatic rescue story behind Barcelona's greatest museum.

Skip-the-line tickets for Poema del Mar, what to see inside the three zones, plus the best marine tours in Gran Canaria.

Three guided canyoning tours explore the Guadalmina marble gorge near Marbella. Wade, swim, jump, and slide through natural pools from $47.

Three catamaran cruises sail from Lloret de Mar along the Costa Brava. BBQ lunch, sunset DJ, or party boat — pick your style from $41.

Vintage WWII-era sidecar tours are the most memorable way to see Barcelona. Here is how to book one and what to expect.

Everything you need to know about visiting San Mames Stadium in Bilbao, from museum tours to match day tickets for Athletic Club.

Tenerife banana plantations offer a surprisingly fascinating look at the Canary Islands most important crop. Here are the best tours to book.

How to book a flamenco dance class in Seville, from Triana studios to what happens in the hour-long lesson and which class to pick.

A guide to booking Seville Aquarium tickets, from skip-the-line prices to what you will see inside the five zones tracing Magellan route.

Parque Warner Madrid is a full-scale theme park 25km south of Madrid with DC Comics coasters and Looney Tunes zones. Entry tickets start at $39.

The Zoo Aquarium de Madrid houses 6,000 animals and a full aquarium inside Casa de Campo. Tickets start at $28 with full-day access to every exhibit.

The only true desert in continental Europe, and the set of dozens of Spaghetti Westerns. 4WD tours from $45, horseback rides from $53.

Volcanic coves, turquoise water, and zero crowds. Guided kayak tours in Cabo de Gata run about 3 hours from $41 with snorkeling stops.

Madrid night walking tours take you through Inquisition execution sites, Habsburg ghost stories, and the dark alleys where centuries of legends were born.

Madrid cooking classes take you from the market to a hands-on kitchen for paella, tapas, gazpacho, and sangria with a local chef.

The Sub Fun Cinco dives 30 metres into the volcanic seabed off southern Tenerife. Angel sharks, lava tubes, and shipwrecks without getting wet.

The Bocaina Strait between Fuerteventura and Lanzarote is one of the best dolphin corridors in the Atlantic. Here are the three tours worth booking.

The Nervion river runs past the Guggenheim and historic bridges. A boat tour shows Bilbao from the angle Gehry designed it for, starting at just $16.

Sea caves, cliff jumps, and crystal-clear snorkelling. How to pick the right Costa Brava kayak tour from Barcelona and what to expect on the water.