This strange pyramid is a unique feature of the Austrått Manor.

This record shop and unofficial black metal museum is an ode to Oslo's heaviest musical export.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

The people murdered during a 17th-century Norwegian witch hunt have been honored with a pair of stark, modern installations.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

This massive collection of taxidermy is full of specimens collected by missionaries during their international travels.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

This cheese shop also houses a museum devoted to Dutch dairy.

The world's only museum devoted to the wonders of fluorescence.

Sound travels strangely in this underground whispering gallery.

A former suicide bridge is now accumulating symbols of love instead of a body count.

A floating underwater hotel, created by a Swedish artist.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Climb inside an iron crystal magnified 165 billion times its normal size.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The solemn exterior conceals an opulent interior of this 17th century church.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

This cubist Vienna church building looks like some sort of alien stonehenge.

The beautiful baroque library of the Hapsburg empire.