A popular Icelandic children's story comes to life inside this cave.

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

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

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

Staves, storm-calling, and of course, necropants.

A decommissioned military complex that's now a modern industrial park.

A town trapped in time - 1958 to be exact.

The most confusing clock in New York.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Avoid gangster interaction while window-shopping.

Cryptic messages embedded in the New York City sidewalk.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

An artist's cute bronze subway sculptures belie his violent artistic past.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

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

Slyly buy a shake in the Parker Meridien lobby.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

The patron saint of spinsters grasps a container of dried blood.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

Commonly acknowledged as the only public monument to the Devil himself.

A graffiti Mecca welcoming artists from around the world.

Mysterious 500-year-old tapestries depict a unicorn hunt.