Ruins of Pompeii, Italy -- Take the bus from Piazza Esedra in Naples or the Circumvesuviana train from Pompeii Scavi stop. The ruins can easily be reached by foot from the station and won't be hard to find
Chittorgath (Chittaurgarh) Fort, India. This is Indias largest fort, a water fort consisting of 84 water bodies. To arrive at the fort you must scale a one mile lone serpentine road through seven huge gateways which are guarded by several watch towers and massive iron spiked doors.