Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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

Medicinal spa created with the discharge from a geothermal energy plant.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

This charming woodland trail is peppered with poetry.

The park is home to the United States's only still-operating Dutch windmill.

A unique piece of graffiti offers a little slice of local history and mystery.

A blacklight journey through a celestial art exhibit.

A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

The world's smallest movie theater runs on solar power—an attraction in itself.

Each spring this woodland floor is carpeted with purplish flowers as far as the eye can see.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

A mysterious bridge over a sunken Roman road.

This secluded walkway overlooks a magnificently wild London green space.

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.