Prague's Charles Bridge
It's impossible to visit Prague without taking the time to traverse the city's most important river crossing, the spectacular Charles Bridge (Karlův Most). This famous structure spanning the River Vltava was built in 1357 and has many unique points of interest along its 520-meter span, including numerous fine statues.
Perhaps the most famous are those of the bridge's namesake, Holy Roman Emperor Charles IV, as well as one of John of Nepomuk dating from 1683 and honoring the country's most revered saint (he was deliberately drowned in the Vltava in the 14th century).
The bridge is extremely popular among tourists for its fine views, some of the best of which can be enjoyed (along with the chance of avoiding the crowds) at dawn and again at dusk.