The 10,000 Torii shrine.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Experiencing Guatemala's sensory-exploding church is a blunt reminder of European influence.

Giant kites are flown during this Day of the Dead celebration in Guatemala.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Volcanically heated hot springs.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

This black shoreline is made up of exploded lava particles.

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

A controversial memorial at the place where Captain Cook met his violent end.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

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

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

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.