21.   At the same time, only three or four hours from Boston, the river is easily accessible by car.

22.   A compartment in the dashboard might be accessible only by performing a certain sequence of actions, like turning on the wipers and the lights at the same time.

23.   A cable car links the World Trade Center complex to the island, which is also accessible by ferry and a bridge.

24.   A favorite route is the two-mile Maroon Lake Scenic Trail, which is accessible by bus from the Rubey Park transportation center in town.

25.   A few ranches, also accessible by landing strip or horseback, dotted the landscape.

26.   A day later, we set off for Yelapa, a small beach town accessible only by boat.

27.   A new four-lane highway completed by the Mexican government makes the Maya city easily accessible by bus or rental car.

28.   A roof garden looking out at the Hollywood Hills is on the third level, accessible by staircase from the second floor.

29.   Accessible by boat only, this sandy beach, boat dock and campground is popular with boaters bearing six-packs.

30.   Accessible by car, the three-stage falls and river provide inviting swimming and fishing holes, but in September we saw only a few other people.