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

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Located within a historic park, the beacon is the oldest standing structure in Miami.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

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

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

Haunting and beautiful trees, doomed to die.

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

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

This sacred cave temple is home to thousands of bats and according to legend, a giant snake king.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

A British general, a suggestive tree, a map of paradise.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Strolling through these vintage locomotives offers a surprising amount of insight into the history of Kenya.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.