Things to do

In Bangkok

Asiatique
Chinatown
Chutuchak Weekend Market (=JJ Market)
Cooking class
Dinner cruise
Floating Market
Grand Palace
Jim Thompson House
Khaosan Road
Mae Klong Railway Market
Wat Arun (temple of dawn)
Wat Pho (temple of reclining Buddha)

Other Thai destinations

Chiang Mai – City in the mountainous north famous for food, hill tribes, the night bazaar, and Doi Inthanon.

Elephant sanctuaries – There are many, but please choose one reputed for ethical treatment of the animals.

Phuket – Southern island with a number of sandy beaches of varying character, from family-friendly to crazy-party.

Phi Phi Islands – Southern island group accessible only by boat. Pristine beaches, daytime snorkel or scuba and nighttime party.

Similan Islands – One of the best scuba-diving sites in the world.