No one is sure why this mysterious tradition started.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

Bioluminescent firefly squid light up this Japanese fishing port.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Stunning wetlands ablaze with pink lotus flowers.

Paris' linguistic guide to the international language of, yes, love.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The ghostly remains of an accidental sea.

The last of its kind in the country.

A 50-foot tile mural mosaic for the 100-year anniversary of the Statue of Liberty.

Church and home-museum of a 1920s female revivalist preacher with a very sordid past.