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Tay Ninh town, the capital of Tay Ninh province, serves as the headquarters of one of Vietnam’s most intriguing indigenous religions, Cao Daism. The Cao Dai Great Temple at the sect’s Holy See is one of Asia's most unusual and astonishing structures. Built between 1933 and 1955, the temple is a rococo extravaganza blending the dissonant architectural motifs of a French church, a Chinese temple and an Islamic mosque.

Northern Vietnam's most appealing city has a distinctly laid-back air with its tree-lined boulevards host to a bundle of colonial-era buildings. Caffeine-aficionado heaven, the central area buzzes with dinky cafes where tables spill out onto the pavements – perfect for people watching.

Vietnam's capital races to make up for time lost to the ravages of war and a government that as recently as the 1990s kept the outside world at bay. Its streets surge with scooters vying for right of way amid the din of constantly blaring horns, and all around, layers of history reveal periods of French and Chinese occupation – offering a glimpse into the resilience of ambitious, proud Hanoians.

170 mil långa Återföreningsexpressen löper längs Vietnams tropiska kust. Vagabonds utsända gjorde den episka tågresan från söder till norr.

Ancient Hanoi preserves the best parts of French and Chinese culture and architecture, and weaves it all into the modern world with youthful Vietnamese verve. If that gets too boisterous, two nearby national parks offer clean mountain air, rare plant life and animal-spotting opportunities. At Tam Dao Hill Station the weather is cool year round, while Ba Vi National Park offers hiking through atmospheric mist to a mountaintop temple.

South of Hanoi, Ninh Binh province is blessed with natural beauty, cultural sights and the Cuc Phuong National Park. Highlights include boat trips amid karst landscapes at Tam Coc and the Unesco World Heritage-listed Trang An Grottoes.

Wow, the vistas. This is Vietnam's big-sky country; a place of rippling mountains, cascading rice terraces and the winnowed-out karst topography for which the region is famed.

There’s much more to northeast Vietnam than Halong Bay. The sinking limestone plateau, which gave birth to the bay’s spectacular islands, continues for some 100km to the Chinese border. The area immediately northeast of Halong Bay is part of Bai Tu Long National Park.

Draped along the banks of the Hau Giang River (Bassac River), Chau Doc sees plenty of travelers washing through on the river route between Cambodia and Vietnam. A likeable little town with significant Chinese, Cham and Khmer communities, Chau Doc's cultural diversity – apparent in the mosques, temples, churches and nearby pilgrimage sites – makes it fascinating to explore even if you're not Cambodia-bound. Taking a boat trip to the Cham communities across the river or heading to nearby Sam Mountain and Tra Su Bird Sanctuary are other highlights, while the bustling market and intriguing waterfront provide fine backdrops to a few days of relaxation.

Sleepy Bac Ha wakes up for the riot of color and commerce that is its Sunday market, when the lanes fill with villagers who flock in from the hills and valleys. Once the barter, buy and sell is done and the day-tripper tourist buses from Sapa have left, the town rolls over and goes back to bed for the rest of the week.