This indoor ski resort has a mountain contained inside a mall.

This futuristic building is yet another architectural wonder in Dubai.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

The supreme shrine of the state.

A stunning Victorian abbey and walled garden on a lakefront.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

A museum dedicated to the tragedy of Bloody Sunday.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

Whitewashed mosque contains the world's largest carpet.

This living legend of maritime history is enjoying a second life.

This artificial archipelago was supposed to resemble a map of the world.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

This small New York museum celebrates the mountainous artwork of a Russian mystic.

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

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

Offbeat arts organization that hosts exhibitions, events, and explorations.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

Hear the tales of New York's most notorious criminals.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

Peek through the gates at this oasis from the city, full of Old English charm.