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

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

China’s breathtaking futuristic library is lined floor to ceiling with fake books.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

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

Why walk on this historical site when you can zoom down instead?

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

This psychedelic tourist trap is a leisurely descent into madness.

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

A part of the world's largest marsh seems to be growing bright red Martian grass.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

In Hong Kong, a fairytale flower tunnel is hidden within the gardens of a public housing complex.

This hulking behemoth is actually five interconnected towers built in the 1960s.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

This elegant arc of a waterfall marks a religious turning point.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

A little-visited waterfall in an otherworldly landscape.

The most powerful waterfall in all of Europe.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This fantastical waterfall is hidden in a cave located in a cracked cliff.