Siem Reap is famous as the gateway to the UNESCO heritage site of the Angkor Wat temple complex, one of the largest religious monuments in the world. Once you've run out of energy for the temples, take a look at the Chinese-inspired shop-houses and French architectural buildings around you; Siem Reap is an adventure waiting for you to look its way.

Once called the Pearl of Asia, Phnom Penh was marred by the impact left behind by war and revolution. Yet, like a phoenix, it has risen from the ashes to become the hip and happening capital of Cambodia. It is known for its impressive culture and architecture, religious significance, pre and post colonial history, royal heritage and its nightlife! And whenever you had enough of the city life, you can simply hop on a ferry across the Mekong to experience simpler country life and nature.

Ho Chi Minh City, formerly Saigon, is one of Vietnam's most energetic cities. It presents a seamless blend of past and present; a dynamic energy propels it forward, while remnants of its past lie among skyscrapers and shopping malls. It's also Vietnam's culinary capital, so make sure you sample the deliciousness of Vietnamese cuisine.

Once a port town, Hoi An is a UNESCO World Heritage site, and bears Japanese, Chinese, Portuguese and French architectural influences. Relaxing scenery and beaches are both within easy reach, and a vehicle ban in it's Old Town makes exploring its 800+ preserved buildings on foot enjoyable.

Hue was home to 13 Nguyen emperors for nearly 150 years, and each of them left behind a piece of history. Walk through its Citadel and Imperial Enclosure that even today echos its glorious past. There is much to do within and outside Hue, and all the while the royals of the past oversee their city, guarding it from their tombs on its outskirts.

Phong Nha is definitely among the top three adventure spots of Southeast Asia. With a system of caves (including the biggest cave in the world) chiselled into its mountains, its trek-friendly jungles and lagoons offering some surreal kayaking experiences, this off-beat spot and National Park are a paradise waiting to be explored.

Ninh Binh in North Vietnam is home to the famous Tam Coc-Trang An complex of karst formations rising up from the ground. This UNESCO World Heritage Site is best experienced with a boat ride, with rice paddies on either side, water beneath the boat, and karsts surrounding you. It's transforming rice paddies in harvest season are gorgeous to behold.

Hanoi's past as the capital of Emperor Ly Thai and later of French Indochina has given it much to boast of. Remnants of French and Chinese occupation peek out at you between the streets, as the present-day capital of Vietnam plays catch up, leaving the horrors of its history behind yet retaining the heritage influences.