World's strongest whirlpool.

The world's northernmost ice hotel.

At this Arctic outpost, get to know members of the indigenous Sámi community and meet their herds.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

Cold storage for agricultural biodiversity.

A stunning silver lining to global warming's gloomy cloud.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

This watchtower once presided over the Berlin Wall.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A memorial to the beloved brown bear that served in the Polish army during World War II.

Abandoned concert venue legendary for its rock counterculture.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

A slice of central Asia in the middle of Berlin.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

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

Hidden in the highlands of Guatemala, a small shrine venerates a forbidden folk saint.

A snapshot of the city's fascinating voodoo culture.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

The largest permanent Monopoly board makes one of the longest games even bigger.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.