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The geographic heart of the nation, central Vietnam is packed with historic sights and cultural interest, and blessed with ravishing beaches and outstanding national parks. Marvel at Hue and its Imperial Citadel, royal tombs and excellent street food. Savour the unique heritage grace of riverside jewel Hoi An, and tour the military sites of the Demilitarised Zone (DMZ). Check out Danang, fast emerging as one of the nation’s most dynamic cities. Also emerging as a must-visit destination is the extraordinary Phong Nha region, home to three gargantuan cave systems (including the world’s largest cave), and a fascinating war history concealed amid stunning scenery. Enjoy well-earned downtime on the golden sands of An Bang Beach or learn to cook central Vietnamese cuisine, the nation’s most complex. With improving highways, and upgraded international airports at Hue and Danang, access to this compelling and diverse part of Vietnam has never been easier.

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.

Just off the Danang Beach coastal road, the Marble Mountains (Ngu Hanh Son) consist of five craggy marble outcrops topped with pagodas. Each mountain is named for the natural element it’s said to represent: Thuy Son (Water), Moc Son (Wood), Hoa Son (Fire), Kim Son (Metal or Gold) and Tho Son (Earth). The villages that have sprung up at the base of the mountains specialise in marble sculpture, though they now astutely use marble from China rather than hacking away at the mountains that bring the visitors in.

Practically obliterated during the American War, Vinh was rebuilt with East German aid – hence the brutalist concrete architecture dominating downtown. The only reasons to stop here are if you're a Ho Chi Minh devotee (he was born in a nearby village), or if you're heading to Laos.

Most of the bases and bunkers have long vanished, but this 5km strip of land on either side of the Ben Hai River is still known by its American War moniker: the DMZ. From 1954 to 1975 it acted as a buffer between the North and the South. Ironically, the DMZ became one of the most militarised areas in the world, forming what Time magazine called ‘a running sore’.

Northwest Vietnam, with its rocky, cone-like mountains, high vistas and deep valleys, encompasses some of the most extreme geography in the country – if not all of Southeast Asia. Travelling to the more remote parts of the region takes time and effort, but those short on either can stick around Sapa, the surrounding hills of which are a microcosm of the region as a whole.

With limestone outcrops amid serene rice paddies, Tam Coc is best appreciated on a languorous rowing-boat ride, with the soundtrack of the river lapping against the oars.

Notable for its extensive mangrove forest, Can Gio is a low, palm-fringed island sitting at the mouth of the Saigon River, some 25km southeast of Ho Chi Minh City. It was formed from silt washing downstream from the river, so don’t expect any white-sand beaches. A few hopeful resorts have sprung up along the murky 10km shoreline.

Established as a hill station by the French colonialists in 1922, Sapa today is the tourism centre of the northwest.

Set in an idyllic valley, hemmed in by hills, the Mai Chau area is a world away from Hanoi's hustle. The small town of Mai Chau itself is unappealing, but just outside the patchwork of rice fields rolls out, speckled by tiny Thai villages where visitors doss down for the night in traditional stilt houses and wake up to a rural soundtrack defined by gurgling irrigation streams and birdsong.