Towers

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

The largest Christian church in the country is a complicated symbol of Spanish colonialism.

This fortified L-shaped tower is the ancient seat of clan Hannay.

A vintage fire engine is hidden inside this World War I-era water tower.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

The world's tallest carillon is located at the top of this skyscraper in Mexico City.

Once the tallest building in Chisinau, this unique tower is a relic of Soviet architecture.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

Apparently, the whole cosmos emanates from this plain concrete tower.

This Indianapolis landmark offers a secret panoramic view of the city. 

This watchtower once presided over the Berlin Wall.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

At the base of this tower, a plaque marks the original center point of the Netherlands.

A long and winding trail through history led to the current iteration of this mountaintop tower.

This 16th-century tower house has a little hidden secret and a connection to an Apollo astronaut.

Built in 1347, this belfry is one of the oldest in the world and survived intense bombing during World War I.