Come for the flowers, stay for the bats!

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

The 20-mile causeway that separates the Netherlands from the sea.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

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

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Only electricity pylons carrying both AC and DC circuits.

The place to be if you love vintage Swedish cars.

Eyam took steps to quarantine themselves and keep the plague from spreading.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

Finding the exact middle of a giant land mass is hard to determine, but this spot managed to do the trick.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.