An unrealized dream to wirelessly electrify the entire Earth.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Two thirds of this Montreal neon icon has survived to flash another day.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

An archive of nearly every day of Buckminster Fuller's life.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Palace where the nearly un-killable Rasputin was murdered.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

A Spanish-style estate that has traded black ties for rock concerts.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A submerged archeological park still holds the wonders of a Roman Sodom.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

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

Years of archaeology, just chillin' by the water cooler.

One man's swirling six-acre monument of stone.

Five ancient libraries, little changed for centuries, preserve a medieval archive of Quranic lore and civic documents

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.