These ancient sacred grounds granted amnesty to those who managed to reach them.

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

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The fifth-longest natural arch in the world, and the longest outside China.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

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

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This historic national park is covered in the stunning ruins of red rock pueblos.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

This chimerical bridge/tunnel appears to dead end right into the sea.

This glamorous old building is said to have inspired the Tower of Terror.

Ancient pueblos built into the base of a natural canyon wall.

A motel dedicated to Southwestern nostalgia.

A subterranean house of worship carved right out of the bedrock.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Hindu temple of the dead home to hundreds of long-tailed macaques.

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

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

The only castle in North America to ever house European sovereigns.