Ingels reaches a dead end in a walk-through of his maze.

Ingels reaches a dead end in a walk-through of his maze.

Credit: Matthew Carbone

The massive maze in Washington, D.C., is finally here. Denmark-based Bjarke Ingels Group (BIG) designed "BIG Maze," a roughly 60-foot square of twists and turns, for the city's National Building Museum.

At the tallest point, the maze walls reach about 18 feet. But the walls slope in toward the center, allowing visitors to see more of the maze as they move through it.

Credit: Matthew Carbone

Credit: Matthew Carbone

In the middle, visitors are "rewarded with a complete overview of the maze," founding partner Bjarke Ingels said at a media preview Thursday. Getting out of the maze is much easier than getting in.

Ingels in the center of his maze.

Ingels in the center of his maze.

Credit: Matthew Carbone

Credit: Matthew Carbone

It precedes an upcoming BIG exhibition at the museum, which will include models suspended in air, framed by the arches of the building's second-floor balcony.

The maze is open through September 1.

Credit: Matthew Carbone

Credit: Matthew Carbone