Olfactory delights in San Francisco's Botanical Gardens.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

This black shoreline is made up of exploded lava particles.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

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

Submerged lava formations create incredible waterworks.

This blowhole is supposedly caused by a trapped monster.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

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.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Race through the maze, get your name on the sign.

This ancient Hawaiian henge may have been an early star chart.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

A Hawaiian stairway to heaven—that you can't climb.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

Wondrous stalactites house thousands of bats in these African caves.

An ancient city exhumed from the depths of the ocean.