This 1967 experiment in modular architecture was designed to be a new model for urban living.

Unusual rock formations eroded into a landscape of stone beasts.

The massive gardens and office of a Brazilian sculptor.

Henry Ford's failed rubber plantation in the middle of the Amazon rain forest.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

The bookstore with bookshelves built into unlikely places.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

Men and special assistants stand by the road to sell the day's catch in this lakeside village.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

An enormous, inside-out glass globe built in 1935.

Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

A century-old stone hermitage overlooks this remote pass in the Hoggar mountains, surrounded by a landscape of eroded volcanic cores.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

It might not be the prettiest pyramid in Egypt, but it may be the muddiest.

A moving memorial to the fallen and missing from WWI trenches.

A tiny metropolis resides inside this student housing complex.

This former guildhall with a bacon-like exterior is now home to a museum covering 600 years of Antwerp's musical history.

The world's tallest shot tower—maybe.