This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

Avoid gangster interaction while window-shopping.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

Yo, Adrian!

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A second generation sun-powered marvel lights up the night.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The modern birthplace of Irish freedom.

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

The last working windmill in Northern Ireland.

A boulder in the Churchyard of Down Cathedral marks the legendary burial place of "The Apostle of Ireland."

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

It was once nicknamed "the most bombed hotel in Europe."

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

The statue honors a beloved bird that once roamed St. George's Market.

The last Victorian market in Belfast.

This massive monument has been telling the time for 150 years—at a slight angle.

Belfast's namesake river still winds below the city center, hidden from sight.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.