The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

The world's largest model of our planetary system.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

This picturesque medieval monastery guards a small trove of historic treasures.

2300-year-old Roman road connecting the empire.

Enjoy coffee and cake while viewing antique medical equipment at this unique cafe.

Home to some of the world’s darkest skies, this project blends ancient Māori culture with world-class astro tourism.

One of the largest collections of traditional Māori artifacts in New Zealand.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

This strange geological landscape erupts with sudden bursts of water.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Budapest's Communist-era statues, banished to the suburbs.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.