Lonely Planet releases its picks for the top destinations in 2015

Destinations that made the cut for Lonely Planet’s latest, "Best in Travel 2015" -- their biggest guidebook of the year -- are chosen for their “topicality, unique experiences and ‘wow’ factor.”

Here are the top-ranked destinations.

Top 10 Countries

1. Singapore 2. Namibia 3. Lithuania 4. Nicaragua 5. Ireland 6. Republic of Congo 7. Serbia 8. The Philippines 9. St Lucia 10. Morocco

Top 10 Regions

1. Gallipoli Peninsula, Turkey 2. Rocky Mountain National Park, USA 3. The Toledo District, Belize 4. Tasmania, Australia 5. Northern Norway 6. Khumbu, Nepal 7. Copper Canyon, Mexico 8. Flores, Indonesia 9. Atacama Desert, Chile 10. Macau, China

Top 10 Cities

1. Washington, DC, USA 2. El Chaltén, Argentina 3. Milan, Italy 4. Zermatt, Switzerland 5. Valletta, Malta 6. Plovdiv, Bulgaria 7. Salisbury, UK 8. Vienna, Austria 9. Chennai, India 10. Toronto, Canada

Other categories include:

Best Value Destinations for 2015 Unforgettable Family Travel Experiences The Best Free Things to do in 2015 Most Illuminating Experiences Wonderful Workouts Best Literary Walking Tours Best Places for Extreme Eating The Most Gay-friendly Places on the Planet