An autonomous republic of Orthodox monks.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A small town Romanian cemetery filled with darkly humorous gravestones.

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

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

This abandoned fishing settlement may well be the greenest village in the world.

A seemingly endless landscape of pure salt stretches far across Bolivia.

This small group of sand dunes manages to pack in a strange rainbow of colors.

Bohol's mysterious brown hills.

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

Because sometimes the most efficient route from A to B isn't a straight line.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

The tallest residential building in Africa is an unsettling Brutalist monolith.

Science fiction's grandfather has a fittingly marvelous tomb.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

The longest hedge maze in the world.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

The world's largest squirrel statue clutches a pecan bigger than your head.