Towers

Small church on top of a huge rock column.

Giant wind turbine with observation deck at the very top.

Looming communist pillar with a Czech twist.

Structure built from the skulls of vanquished foes.

Unusual British home built to disguise a water tower.

Numerical symbolism abound at East Asia's oldest observatory.

Turning night into day in Victorian-era Austin to thwart a serial killer.

A tower devoted to — and modeled after — the Divine Comedy.

Fortified homes of highland warriors that are still in use today.

The dead gigantic radio tower of Liberia.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

These little castles each held thousands of pigeons.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Spain's stunning solar energy plant.

The tallest residential building in Africa is an unsettling Brutalist monolith.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.