The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A huge musical instrument played by the ocean.

This futuristic public park includes large sculptures and an artificial geyser.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A lasting testament to the Klondike Gold Rush.

An imposing statue of the first prime minister of Antigua and Barbuda stands in the middle of a traffic intersection.

Memorial to the father of the Republic of China.

A dazzling temple featuring a towering 12-meter golden Buddha.

The restored and active Victorian-era final resting place of San Francisco.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

Home to a vast collection of The Wizard of Oz memorabilia and the site of an infamous theft.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A house built from trash known as the poor man's Hearst Castle.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A battle between nature and architecture in the Cambodian jungle.

These tiered rice paddies were carved into the hillsides 2,000 years ago.

This iconic clock tower is the largest in the Philippines.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

A open air theatre built on a cliff by an eccentric British woman.

Enormous burial mounds of ancient emperors.

The ancient remains of this natural fortress can still be found along the Silk Road looking surprisingly preserved.