Where to Go for a Last-Minute Summer Vacation

Many people are finding the time to travel this summer, but haven't planned ahead. If that sounds like your clients, Avanti Destinations has found some of the best destinations for late summer journeys that have plenty of availability.

There's still time to escape to London and take advantage of Avanti's new options, including a gin distillery tour, street art and graffiti walking tour, an afternoon tea experience, a London Borough Market food tour, the "Classic Rock & Beatles Sites" tour, a half-day Harry Potter tour or a 10-hour excursion to Bath, Stonehenge & Cotswolds tour.

Immerse yourself in Spanish culture and journey to Barcelona. There are so many options to choose from with Avanti, including a shared evening tapas tour, a two-hour Flamenco show including dinner, a Modernism half-day art and architecture tour and the "Barcelona as a Local" walking food tour.

Visitors can also take a paella cooking class that includes lunch, enjoy a private wine tasting or a private half-day tour with a driver/guide-the options are endless, even at the last minute.

Travelers could also head to the metropolitan Spanish capital, Madrid, and choose to take a stroll through the not-to-be-missed Royal Palace on a city sightseeing tour. There are also private tapas walking tours available as well as a private taverns and markets walking tour, perfect for foodies.

Private cultural tours that include the palace and the Prado museum, as well as a full-day excursion to Avila and Segovia with traditional Spanish lunch are also available, among other options.

The classic medieval city of Prague awaits those who want to explore Eastern Europe this summer. Choose from beer walking tours, a coffeehouse tour, a market visit and cooking class and more to see the city's culinary side.

Cultural tours include the Jewish Prague walking tour, an afternoon concert at Lobkowicz Palace or a private Prague tour with driver and guide.

Those who want to travel farther afield can book a side trip to the magical city of Cesky Krumlov.

For those who want to explore a more tropical destination this summer, travel to Costa Rica.

Adventure awaits with activities, such as ziplining, canyoneering, wildlife spotting, birdwatching, horseback riding, whitewater rafting, and volcano hiking.

There is a private cooking class available in Arenal and a new option to give back on a four-day, three-night stay in Sarapiqui that includes volunteering at a conservation learning center plus enjoy rafting, rappelling or horseback riding.

Those who want to venture farther afield and book a more exotic last-minute vacation can head to Thailand.

The nine-day/eight-night the "Best of Thailand" itinerary Bangkok, Chiang Mai and Phuket that includes private tours in each destination, hotels, daily breakfast and more starting at $1,149.