Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

A beach made of semi-precious green sand on the Big Island of Hawai'i.

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

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

Watch the newest land on the planet form before your eyes.

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

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Looking for a crappy restaurant? Pull up a porcelain bowl and enjoy your meal.

The world's largest secondhand book market is a haven for bibliophiles and bargain hunters.

Experience a charming 1930's version of "infotainment."

The drama of nature in full effect in this Nevada State Park.

The fairy tale castle of the "fairy-tale king."

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

The second largest reclining Buddha in the world got "lost" for over 120 years.

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.