One of the largest trees of its kind in California.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A former department store turned into a quirky restaurant.

The closest thing to Mars on Earth.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

The largest and most well-preserved petroglyph site in the Verde Valley.

Outsider Art Community.

Throughout this South Korean village, homes and businesses are covered in fantastic handpainted murals.

An all-female order shares an ancient culinary art with visitors at their mountaintop monastery.

This former coal mine has been turned into a sprawling modern art complex.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

Sometimes known as the little Niagara Falls of the Philippines.

These tiered rice paddies were carved into the hillsides 2,000 years ago.

Calcium-rich water has turned the water and rocks of these Philippines falls slightly green.

The ruins on a deserted tropical island in the Philippines bear the scars of WWII.

Hidden deep within a Filipino jungle is an incredible waterfall that plunges into a dazzling blue-green pool.

Bohol's mysterious brown hills.