Holi is not a kerala festival. It is celebrated worldwide.People of kerala ,especially north indian students residing in kerala also celebrated Holi the festival of colours.
the following video shows the holi celeberations in a foreign country.

"Festival goers throw fistfuls of colored powder on one another at the annual Festival of Holi at the Sri Sri Radha Krishna Temple in Spanish Fork, UT",

Nehru trophy boat race is a beautiful and fantastic event conducted every year. See these videos to enjoy the beauty of the race.

Trissur pooram is called the king of all festivals in kerala. Let us enjoy three videos of the same.

Thaipooyam is celebrated in Kerala. But in is celebrated all over the world too.
Thaipusam Festival is well known in Malaysia and Singapore. In Kerala this is mainly conducted in Muruka temples.In Subrahmanya temples devotees dance with kavadi on their shoulders. This is an important festival in Tamil Nadu too. See a photo by the famous photographer beggs from Malaysia.

This festival celebrated on the full moon in the Tamil month of Thai (Jan/Feb).

Submitted by UMAMAHESWARI on Sat, 2006-12-09 06:46. Tourist_places

Vaikkom Siva temple is located on the eastern shore of Vembanad Lake. The name of Vaikkom become prominent when a Satyagraha campaign was launched in 1924 to throw open temple to the Avarna Hindus to whom they were closed.

The deity:

Submitted by UMAMAHESWARI on Sun, 2006-12-17 22:15. Events

FAST and festivals are an intrinsic part of India’s cultural fabric. Over centuries women observed many fasts to propitiate destiny and gods. The Malayalam month Dhanu witnesses a significant that women follow for their marital bliss. This festival called Thiruvathira falls on January 3 next year.

Submitted by UMAMAHESWARI on Tue, 2007-01-23 18:41. Events

History, legend, pomp, splendor, antiquity and custom came to life today during the annual Ariyittuvaazhcha at Thiruvaarattukavu Temple in Attingal.

Submitted by UMAMAHESWARI on Mon, 2007-03-26 21:36. Culture
STATUES OF PANDAVAS

AAARAT FALLS ON MONDAY THE 2ND OF APRIL

AARAAT
The biannual festival at the Sree Padmanabha Swami Temple concluds with Aaraat which falls on 2nd of April. His Highness Uthradom Tirunal Marthanda Varma, the present head of the Travancore Royal Family, who escorts the deities to the Sanghumukham Beach, recollects how Aaraat was celebrated during in his younger years.