One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This castle has links to Portugal’s founding and struggles for independence.

Over 3 miles up in the Himalayas this pass is one of the highest drivable roads in the world.

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

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Ozymandias’ time-keeping temple.

Steampunk, humanoid sculptures crawl on all fours in a Tokyo plaza.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Steaming blood-red hot spring from hell.

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

People have been placing babies on these lilies for photoshoots since the Victorian era.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

A former plague hospital turned medical museum.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

The celebrated eyesore created by starry-eyed sweethearts.