This day includes a little bit of everything, visiting a beautiful temple, a throne hall, a palace, a historic house, ending the day with a vigorous shopping spree.

The day begins early at Wat Benchamabophit (วัดเบญจมบพิตร) on Sri Ayutthaya Road.  This uniquely beautiful marble temple was constructed during the reign of King Rama V. It employs European ecclesiastic details, such as stained glass windows, and contains a superb cloister collection of bronze Buddha images.  
Open: Daily from 6 a.m. to 6 p.m.

Vimanmek Mansion Museum (พระที่นั่งวิมานเมฆ)  is the world’s largest golden teak building located in the compound of the Dusit Palace on Ratchawithi Road. The three-storey royal mansion has 81 rooms, halls and ante-chambers containing  fin de siecle royal memorabilia.  
Other beautiful buildings in the same compound display various items and art objects; for example, H.M. King Bhumibol’s photography, H.M. Queen Sirikit’s collection of handicraft masterpieces created by rural people, paraphernalia of rank and portraits, old clocks, ancient cloth, and royal carriages.
Open: Daily from 9.30 a.m.to 4 p.m. Proper attire is required

Anantasamakhom Throne Hall.  (พระที่นั่งอนันตสมาคม)
Designed by an Italian architect, his Renaissance building was constructed of marble from Italy under the instruction of King Rama V, with an intention to be used as a royal reception – assembly hall. The dome of the throne hall houses picturesque frescoes of royal activities undertaken during the reigns of King Rama I – King Rama VI of the Royal House of Chakri. The building serves as a venue for royal and state ceremonies and was once used as the National Assembly before it was moved to the new building behind.
Open: Daily from 9.30 a.m. to 4 p.m. (except public holidays)
Proper attire is required

Jim Thompson Museum (พิพิธภัณฑ์จิม ทอมป์สัน)
This collection of traditional Thai-style houses, fashioned into one dwelling, belongs to the man who helped restore the Thai silk industry after World War II, and today, preserved as a museum, contains a priceless collection of Asian objects d’ art.  The canal-side museum is located in Soi Kasemsan 2 on Rama I Road opposite the National Stadium. 
Open: Daily from 9 a.m. to 5 p.m. 

If there is a shopping district in Bangkok, Rachadamri area is it.  Several shops and shopping malls are located within walking distance from each other.  Added to the convenience is a BTS train and walkways linking many of these elegant complexes.  Start from Chit Lom Station and make your way to Siam Square.  You can find luxury brand name good, as well as other fashionable local brands at reasonable prices.  There is always a sale going on somewhere and hunting for those bargains can be a lot of fun.  For a more local flavour, check out Narayana Phand Pavillion which offers a vast collection of local handicraft products, where you can find perfect souvenirs and gifts.