America's greatest forgotten garden and the former stomping grounds of Son of Sam.

A hidden subterranean installation offers a view of the sky.

England's "pier at the end of the universe" unites astronomy and contemporary architecture.

See the sky in a new way through this art installation.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

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

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

This Orthodox Church's exterior is rather unorthodox.

Experience a charming 1930's version of "infotainment."

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

The 606 is a decade in the making.

Hidden beneath the streets of London is a secret subway that only carried mail.

A town filled with hot chocolate, dazzling lights, and lots of Christmas cheer.

The abandoned personal amusement park of the King of Pop.

The Magical World of George Phar Legler.

Miniature art that tells an enormous story.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

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

This red lake 4,000 meters above sea level is home to rare flamingos.

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

Even King Tut was intrigued by the glass of the Great Sand Sea.