Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

Did Gustav Eiffel design this enigmatic metal building?

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

This amateur-built East African church with mismatched towers is an architectural abnormality.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

Amsterdam's former hotspot for public executions and dissections.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A beautifully eclectic mix of architectural styles.

Eighty million natural history specimens call this gargantuan museum home.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

A manifestation of modernist architectural ideas, this massive, multi-purpose building was one of the first of its kind in Southeast Asia.

A ring of soy sauce bottle bases decorate an important Singaporean landmark.

This fountain was once heralded as the largest in the world.

Singapore's oldest Hindu temple.

A quiet patch of astroturf laid out between a building that seems to be splitting in half.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The most playful of the life-sized statues that make up Singapore's "People of the River."

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.