If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

The tiny, studious rodents greet visitors to the National Archives of Finland.

A subterranean house of worship carved right out of the bedrock.

The world's northernmost ice hotel.

An abstract monument to a symphonic composer.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

Experience what life was like in Ireland during the Viking and medieval ages.

These 5,000-year-old cave paintings provide a glimpse into prehistoric Finnish life.

Crawling into this primordial cave may feel disconcertingly familiar.

This lake-bound geographical marker sits at the point where three European countries intersect.

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

This coffee shop lies hidden beneath a historic church.

A diminutive, thousand-year-old church believed to be the smallest in Ireland.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

A monument dedicated to the unrecognized Black "mother" of modern medicine.

A tribute to a Ukrainian heroine who went undercover and killed several Nazi operatives.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

This historic church is named for abolitionist Henry Ward Beecher and the ruse to arm his fellow abolitionists.

The symbolic center of Ireland, this summit also offers panoramic views of the countryside.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.