One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

A story of cutlasses carelessly carving a celibate centenarian's cemetery stone.

One of the oldest libraries in England, and one of the last of the great medieval chained collections.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

The English Civil War began right here in 1642.

The oldest inn in England served brew to the crusaders.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

This 600-year-old tower was built as a comfy residence for cherished pigeons.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

This massive monument has been telling the time for 150 years—at a slight angle.

One of the largest lenses of its kind ever created, this former ship beacon has been brought down to Earth.

A series of stained glass artworks that depict images of the hit TV show.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A tribute to a vessel involved in the notorious Larne gun-running.

This picturesque lighthouse at the edge of the Irish Sea looks like a giant stone pencil.

The artwork is a community's ode to the "father of Irish tourism."