Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Couple's personal collection of pinball machines turned public pinball museum.

Seattle's own bad art museum located inside Cafe Racer.

A house filled to the brim with oddities and curiosities.

A gigantic collection of teeny, tiny books.

This series of Armenian caves held the oldest brain, shoe, and winery in the world.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

Giant stone letters dedicated to the founder of Armenia's alphabet.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.

A geological oddity topped with a 2,000-year-old pagan temple.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

The second-deepest known cave on Earth, hidden in an extremely remote mountain region.

Scattered ruins and a tiny cemetery are all that remain of a failed attempt to colonize the inhospitable Desolate Islands.

The world's largest neutrino telescope searches for secrets of the universe at the South Pole.

The best place to send your postcards home from Antarctica.

Russian Orthodox church built on an Antarctic island.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

Fire meets ice at the southernmost volcano on Earth.

One of the world's southernmost bars.