Regent Holidays has announced 46 small group tours across 35 destinations for 2020, its biggest ever range.
There are 16 new itineraries, including short breaks in the Russian Arctic, tours of Eastern Europe and longer holidays in North Korea and Japan.
The five-day Winter Adventures in Murmansk trip includes the chance to see the world’s first nuclear ice-breaker; meet indigenous Sami people and take husky sled ride. It costs from £1,595 including flights.
There is also a six-day Harbin Ice Festival option that can be added onto a China holiday, which costs from £1,285.
There are two new tours in Svalbard and the Arctic Circle: In the Footsteps of Vikings and Svalbard Midnight Sun Adventure.
In the Footsteps of Vikings is an eight-day tour of Greenland following the path of ancient Norsemen. It costs from £3,895 including flights from Iceland.
Svalbard Midnight Sun Adventure is a six-day Arctic holiday offering e-biking, quad-biking, dog sledding, kayaking and sailing to a Russian mining settlement. It costs from £2,270 including flights from London.
New European tours include Discover South West Serbia; Landscapes & Traditions of Bulgaria; Hidden Romania; and A Taste of Moldova.
Further afield in Russia, there are new itineraries from Mosco to St Petersburg and a rail tour from Vladivostok to Lake Baikal.
Other new tours feature Sao Miguel in the Azores; Azerbaijan; Jordan and Palestine; and Japan.
The Korean War Anniversary Tour (pictured) coincides with the 70th anniversary of the outbreak of the Korean War in June 2020. It costs from £2,580 for the 12-day tour only.