A 300-ship graveyard, with a few still visible at low tide.

Avoid gangster interaction while window-shopping.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

New York City's smallest piece of private property.

A bit of retro transportation flair preserved in the world's largest department store.

A crumbling hospital from the 1850s on Roosevelt Island.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Walk in the footsteps of the gods and straddle two tectonic plates.

Three columns of volcanic rock shoot out of the ocean.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

This handsomely carved wooden church is more than 800 years old.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This stunning concert hall has become a symbol of Iceland's national recovery.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A modest reminder of treacherous waters at the Golden Gate.

Built in 1906, this unique building was the first Hindu temple in the United States.

One of few lasting examples of the brief octagon craze that developed into folly.

A monument to the love people have for their pets.

Golden Gate Park's historic collection of plants.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.