Phil Mortillaro uses keys to bring art back to the Village.

One kilometer of thick brass rod laid out before your eyes.

A terrific purveyor of natural history objects and curios.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

A wall of chewing gum moonlights as collective art.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

A skeletal collection of former nautical mainstays.

A famed drink seasoned with an amputated toe, now on its tenth digit.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Hundreds of tiny dead butterfly eyes gaze down at diners in this Australian eatery.

These azure waters were thought to lead to the Mayan Underworld.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.