The darkest building on Earth was built for the snow-white scenery of the 2018 Winter Olympics.

Tracking the 1,500-year history of Korea's star cabbage.

Over 80,000 carved wood blocks make up one of the world's oldest intact Buddhist canons.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

An entertainment center in a huge transparent tent.

Mysterious hillside with a continuously burning natural fire.

A shrine of fire worship built on top of a natural flame.

Resonant stone, that has been played since prehistoric times.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A gigantic collection of teeny, tiny books.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

The tallest bronze seated statue of the Buddha in Japan.

A steaming, boiling hellscape sources Hokkaido's thermal baths.

One of America's first planned communities is preserved in a state park.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Four distinctly unique gardens commemorate the POWs who lost their lives during the Sandakan Death Marches of 1945.

Malaysia's floating mosque.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Tubing through a cave lit with glowworms is a magical underground experience.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

One of the largest public squares in the world, named after the former DPRK supreme leader.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.