Time Out says
On foot, by bike, bus, segway or modern Go- car - you can book the method of transport you prefer to visit Madrid at this travel agency. They also offer gastronomic, cultural and scenic routes, including shows and restaurants. And if you have time to spare during your visit to Madrid, they also run tours to the area around Madrid including visits to Toledo, Avila, Segovia, Aranjuez and the Escorial in comfortable coaches with official guides, including entrance fees.
Plaza de España, 7
|Transport:||Plaza de España (M: L3, L10)|
|Price:||from €23 depending on type of transport|
|Opening hours:||Nov-Feb: Mon-Sun 8am-6pm; Mar-Oct: 8am-10pm.|