The actual “Hotel Rwanda” that became a hiding place and refuge from the horrors of genocide in 1994.

The memorial honors the lives of rhinoceroses killed by poachers.

This slowly crumbling mansion was home to one of East Africa's richest and most powerful slave traders.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

In Stone Town, Zanzibar, the city’s culture and history is told through its doors.

Sitting atop a rock on Michamvi Pingwe beach, this restaurant becomes its own island at high tide.

The beautiful 16th-century stepwell lies in the shadow of a famous fortress.

An ancient wall in the shadows of the Amber Castle.

The world's second-largest sundial, made entirely out of stone.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Sacred Indian temple that’s all monkey business.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

This cupola was once seen as an architectural disaster.

The roof of one of the world’s largest spice markets provides a grand view over the neighborhood's glorious bustle.

India's first open-air public art district sits in the heart of the country's capital.

A startling, centuries-old subterranean marvel hides in plain sight.

This whimsical fountain pays tribute to Toronto's four-legged friends.

One of the largest underground systems runs under Canada's largest urban center.