Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

This one-time health resort was used by aristocrats around the world.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

The enigmatic sculpture hides above an escalator in a Milan metro station.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

This winding road through an Italian canyon may be the most scenic drive in the world.

A white Buddhist temple with a golden restroom.

An enormous dragon scales the walls of this 17-story temple.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

A limestone wonderland of water and subterranean secrets.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This canyon is comprised of gorgeous waters and magnificent basalt columns.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.