25 things to do in Boston for under $25

1. Take a bike ride Spend a sunny day exploring the city on two wheels. Need a bike? Rent one from '>Boston Bike Tours and Rentals at $7.50 per hour (minimum two hours).

1. Take a bike ride

Spend a sunny day exploring the city on two wheels.

Need a bike? Rent one from Boston Bike Tours and Rentals at $7.50 per hour (minimum two hours).

(George Rizer/Globe Staff)