Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A semi-scholarly approach to sex.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A terrific purveyor of natural history objects and curios.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

A sweet symbol marks the place where torturous executions were once carried out.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

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

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

Three columns of volcanic rock shoot out of the ocean.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Historic funicular railway, believed to be the shortest railroad in the world.