An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

This Stockholm light tower can be controlled by anyone with a smartphone.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A giant donut stands as a popular symbol of Los Angeles iconography.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Ride the subways of yesteryear.

Plot your trip through the city on the sidewalk.

This pun was simply waiting to come to life, and one defense contractor made it so.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A subterranean playground in an abandoned slate mine.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Giant, friendly pelicans in Central London, the most unlikely of places.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

When you get to Magnetic Hill park near the sign, put your vehicle in neutral gear, and watch it roll uphill...

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

World's largest permanent maze made of 18,000 conifers.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.