This oddly shaped park behind the Castle has a wide variety of relatively pedestrian tropical plants, and some of the island's endemics. It is also a good place to see swarms of the songbirds that have been introduced to the island over the years hanging around in the huge ficus trees.
A great place to start your visit, though like most other attractions the hours are very limited. The museum is located in an early 19th-century warehouse at the foot of Jacob's Ladder in Jamestown. It has a variety of exhibits on the island's history and natural history. It was established in 2002, so the information is up to date and the installations are beautiful.
A staircase that rises from Jamestown to Ladder Hill Fort high above. It is said to have 699 steps. The "Ladder" was built in 1829 as an inclined plane to help Jamestown haul ammunition up to the post on Ladder Hill. Then it was used to bring goods down from the farming areas in the centre of the island, and manure up out of town. The planes are on either side of the steps, and the cart on one side was used to counterweight the cart on the other. The Ladder is a prodigious climb at over 900 ft long, with a vertical drop of about 600 ft (180 m) and with a slope in places of about 45 degrees and very few tourists can climb it in one go. In addition to its length, its stairs are somewhat high, making the climb all the more difficult. There are railings, but no landings for the entire length, and those who are afraid of heights may not want to look down. If you see a child, you might want to ask them to show you how to slide down the railings; they manage this scary feat without killing themselves. The Ladder is lit at night.
It was built by the British in 1659 shortly after they took over the island. It serves as the seat of government, and even if you are not on a tour, you can probably peek into the Council Chambers. The Archives and Administration of the island are also located in the Castle. Very nearby is the Courthouse, which his a lovely building in itself and well worth a look. It houses the Magistrates and Supreme Courts.
You might be excused for thinking that the water falls in the shape of a heart, but really this waterfall is so named because of the heart-shaped rock over which it falls. It can be seen from the north road out of Jamestown or walk to the foot of the 90-m fall, simply follow the valley up from Jamestown. Details at the St Helena National Trust.
In the town of the same name, was the home in which Napoleon spent the great majority of his time on Saint Helena and also where he died. It has several wings and contains the type of furniture it would have when he lived there, though most of the originals have been carried off elsewhere. The house is run as a museum and maintained by the French government. It is set in a grounds filled with flowers, and the gardens are well worth some time on their own. Napoleon died at Longwood House.
Is the home of the island's governor. The building looks like a Georgian mansion plucked from England and plopped down in the South Seas. The grounds are lovely, and there is a nature trail through the park. A number of Seychelles tortoises inhabit the lawn, and one, Jonathan, was born around 1832 and is the oldest known living terrestrial animal in the world. He is joined by David, Emma, Fredricka and Myrtle.