The show's fictional Korean medical camp was created in the Santa Monica hills.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

The longest living non-clonal organisms on Earth.

The petrified remains of 150-million-year-old trees can be seen in and among the houses of the local villagers.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

The oldest still-inhabited hill fort in India looks like a magnificent golden sandcastle.

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

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

This fairytale-like structure is the last turf church ever constructed in Iceland.

Just a man taking his prehistoric pet for a stroll.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

The world's first hotel built in an abandoned water-filled quarry.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

20,000 pieces in a Frank Gehry-designed building.

This lab's maddening silence is good for business but bad for sanity.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

Gorgeous purple flowers drape from the world's largest blossoming plant.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

The weathered grave of a medieval anchoress who walled herself up in a cell attached to a church.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.