These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Rare recess caves fill this unbelievably beautiful Ohio park.

This legendary urban waterfall creates a dazzling display of rainbows.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The largest earthwork effigy in the world.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Inside, ancient treasures. Outside, modern contradictions.

An art deco ice cream shop covered in vintage tiles.

Where beautiful signs live on forever.

This magnificent Cincinnati graveyard is also a popular public park.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."