A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The rocks in this arid basin leave trails of movement behind them.

Quite simply the largest tree in the world (by volume).

Deep in the Thar desert, a temple crawling with thousands of holy rats.

Traditional 15th century Chinese garden in the middle of Vancouver.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

A unique waterfall that some believe attracts the fairfolk.

Thousands of Haitians travel to the waterfalls to ask the Virgin Mary of Mount Carmel and her voodoo counterpart Erzulie for healing in a yearly pilgrimage.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

A huge musical instrument played by the ocean.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A 140-year-old castle with underground caves hidden in San Francisco.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

Exotic feline breeding compound and conservation center.

On Japan's Tashirojima Island, cats are king.

Once a prosperous mining village, this tiny Taiwanese town is now overrun with cute cats.

Dioramas and animatronics lead you through the story of Bhagavad-gita, the Indian literary classic.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.