A surrealist timepiece by the artist of melting clocks.

A hacienda that features all things uniquely Yucatán.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

A glacier pocked with ice caves and surrounded by rainforests.

Largest sub-glacial lake ever discovered.

The mystery of this small, brick pond eluded its possibly only investigator until his death.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

An ancient forest of the Paleocene Age turned to stone.

A toxic lake near a volcanic caldera that is home to flamingos and other life.

On Japan's Tashirojima Island, cats are king.