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.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Elevated freight railway turned wildly successful urban park.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The last of Amsterdam's original sea level markers remaining in place.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Tens of thousands of tiny bottles stuffed with various items.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

A public urinal so pretty, it was declared a national monument.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Lumps of significant stone from around the world surround a flaming monument for peace.

The largest 19th century panorama in the world still in-situ.

A journey through 430 years of bulbiculture in the Netherlands.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This unusual elevator doesn’t stop or slow down.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Few other hotels can rival the grandeur of the Castle in the Rockies.