Ripley's Aquarium of Canada

The light here is blue, and it moves. It ripples across the floor and the ceiling, and across the faces of everyone around you. You feel as if you are standing somewhere under the open water. Above your head, a shark slides past in silence. Its shadow crosses the crowd below. Welcome to Ripley's Aquarium of Canada.

The aquarium sits at the base of the CN Tower, in the heart of downtown Toronto. It opened in 2013. From outside it looks low and modern, wrapped in pale waves of metal and glass. But most of the wonder is below, in cool dim halls filled with tanks. You go down to find it, leaving the busy street behind.

Inside, the air is quiet and a little cool. Sound softens near the water. Children press their hands flat against the thick glass. The light from the tanks is the main light in the room. Everything else falls into shadow, so the fish seem to glow from within. You slow your steps without meaning to.

The best known part is called Dangerous Lagoon. Here you step onto a slow moving walkway. It carries you forward through a clear tunnel. The water surrounds you on both sides and above. Sharks pass over your head. Sea turtles drift by. A sawfish moves along the glass, its long flat snout lined with sharp teeth.

You do not have to walk. The floor moves for you. So you can stand still and simply watch. The effect is calm and strange at the same time. There is nothing between you and the water but a curved sheet of glass. The animals seem close enough to touch, yet they pay you no mind. A turtle turns its slow eye toward the crowd, then drifts on.

Other halls hold other worlds. One room is filled with jellyfish. They pulse and drift in tall lit tanks. The light shifts colour slowly, so the jellyfish turn from pink to gold to deep blue. They have no bones and no brain, yet they move with a strange and simple grace. People grow quiet in this room. They lean in close and lower their voices.

Another area copies a warm coral reef. The water is bright and full of small fish in many colours. There are clownfish among the waving arms of sea anemones. There are tangs in sharp blue and yellow. The reef hums with quiet movement, like a crowded street seen from high above. Your eye does not know where to rest. Each time you look, you find something new.

There is a shallow open pool where you can reach in. Here live rays and small sharks. Their skin is smooth and cool to the touch. They slide under your fingers as they pass. Staff stand close by to guide your hand and to watch over both you and the animals. Children return to this pool again and again, sleeves pushed up, eyes wide with delight.

The aquarium holds thousands of animals, from many parts of the world. Some come from cold northern seas. Some come from warm tropical reefs. There are giant crabs, eels, and fish that hide in the sand. Signs along the way explain where each creature lives and how it stays alive. The aim is not only to amaze. It is also to teach, and to make you care.

Much of the work here happens out of sight. Behind the tanks, staff care for the water and the animals each day. They feed them. They check their health. They keep the great tanks clean and the water at the right warmth. A place like this never truly sleeps. Even at night, pumps hum and filters turn, and the water keeps moving in the dark.

It is a good idea to come early or late, if you can. In the middle of the day the halls grow full. Voices echo off the glass and the floors. But near opening or closing time, the rooms quiet down. Then you can stand alone before a tank and let the slow water hold your eye for as long as you like.

Before you leave, find a bench near the largest tank. Sit for a moment, and let your eyes adjust. Watch a single shark make its slow circle, around and around, the same patient path it has swum all day. The city roars just above you, full of cars and crowds and bright signs. But down here, time moves like water. Slow, and quiet, and deep.