Amsterdam's former hotspot for public executions and dissections.

A unique collection of gilded age mechanical pianos.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A beautifully eclectic mix of architectural styles.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

A floating cat sanctuary on an Amsterdam canal.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Thousands of locks professing undying devotion line the metal chains of Lotus Peak.

The largest traditional Chinese medicine market in the world sells ingredients that may make you squirm.

At nearly 1,000 feet long, this astonishing glass suspension bridge is one of the longest in the world.

The largest radio telescope in the world searches for extraterrestrial life from the remote limestone peaks of southern China.

A canvas of crops grow from vibrant red soil in this terraced farmland.

This terrifying glass bridge on the side of a mountain cracks as you step on it.

On special occasions, one of the world's tallest artificial waterfalls gushes down the side of this Chinese skyscraper.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

The latest in a series of long glass bridges suspended at terrifying heights.

A magical work of architecture where a wind turbine enables monks to levitate.

It seems that the residents of of this megalopolis suddenly vanished, but they were never actually there.

A bright turquoise river cascades beautifully down stepped terraces in southern China.