The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

An ancient Viking village in North America that predates Columbus by 500 years.

This quirky countryside store is known for the goats that hang out and eat the grass on its roof.

The morbid items in this small and hidden museum are not for the weak stomached.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

An Industrial Revolution-era public work that purified water using nothing but sand.

According to legend, Bob Dylan sneaks in twice a year to eat dinner with Jack.

Hear the quietest sound from across the dome.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

This large midwestern cavern features impressive rock formations and an underground waterfall.

The multinational Burger King chain is banned from operating within 20 miles of a family restaurant filed under the same name.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

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

An intricately carved Viking church overlooks a glistening fjord.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

The world's northernmost aquarium looks like it has fallen over.

The world's most charming instant portrait studio also happens to be its smallest.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

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

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

Its founder calls it a "proletariat art renaissance".