The Hopewell Rocks are the most visited natural attraction in New Brunswick — red sandstone sea stacks, carved by tidal and wave erosion into shapes that resemble giant flowerpots with trees growing from the top. At low tide you can walk on the ocean floor between them. Six hours later, those same rocks stand in 10 metres of water.
The park charges admission and provides tidal timing information at the entrance — the difference between arriving at low tide and at high tide is the difference between a memorable experience and a good viewpoint. The ocean floor walk on the exposed sand is the primary attraction. The kayaking tours at high tide, which paddle around the tops of the stacks, offer a completely different perspective on the same landscape. Allow at least two hours if you can.