The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A treehouse assailed by the elements and the government, now gone.

An architecturally-focused antique shop.

Hub of Scandinavian culture in a Minneapolis deli.

A museum dedicated to the exploring past, present, and future innovations.

A Perpetually Under construction Park.

This lab's maddening silence is good for business but bad for sanity.

A forsaken wonder in the middle of the East Side neighborhood.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

Hidden by the roadside in the Iya Valley, this gem brings together folk monsters and the region's unique geography.

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

A uniquely lettered street sign marks the corner where the iconic word game was invented.

A unique museum dedicated to culture and artistry of carpet weaving.

The oldest residential street in Europe also features an optical illusion.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

An eerie, derelict amusement park in Berlin.

A tunnel with windows, so you don't miss out on the impressive views.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Norway has built what may be the world's most beautiful public toilet.

This award-winning men's bathroom was just too beautiful to not allow women to see.

The 16-foot sculpture of a hand looks out from his perch on top of an art gallery.