The ghostly remains of an accidental sea.

A world-class observatory in the California desert.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

The Giant Lemon of Lemon Grove.

San Diego's most historic and haunted home.

Oldest building in California still in use.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

This pair of small sea rocks has been "wed" using rope and ancient Shinto tradition.

This ancient shrine has been rebuilt every 20 years since the eighth century.

Be a ninja - or just act like one.

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

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

The quintessential Japanese rock garden has existed for more than 500 years.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A 14th-century European chapel sticks out of the facade of a Japanese hotel.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

This museum boasts the ninth-largest collection of insects in North America.

Seven ceramic sculptures are scattered around this California college campus.

One of Japan's most famous sights, the bridge was originally built in 1673.

Japanese national treasure originally built in 593 CE.

Peace Park and the Atomic Bomb Dome.

A calico cat named Tama was the wildly popular Super Station Master at this train stop in southeast Japan.