Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

Inside the columbarium, thousands of colorful, high-tech Buddhas guard the ashes of the dead.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

Puzzles within puzzles hide a golden treasure in this hedge maze.

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.

A lavender labyrinth so large it’s visible on Google Earth.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

This Vietnamese bar doubles as a multistory labyrinth.

A dream-like maze full of strange art, surreal spaces, and fantasy landscapes to get lost in.

This magnificent 18th-century hall consists of a maze of nearly a thousand interconnected passages.

A huge maze complex and whimsical miniature village in Tasmania.

Learn about the sweet, storied legacy of beekeeping in ancient Greece.

A dark, narrow tunnel that leads to a charming lake and waterfall.

This whimsical stacked cabin looks like something out of a children's book.

A breathtakingly steep set of stairs is carved directly into the face of the sea cliffs of Bonifacio.

Towering earthen formations that rise straight out of the ground in New Zealand .

Writers such as Paul Bowles, William Burroughs, and Samuel Beckett frequented this Tangier bookstore.

Ancient Phoenician and Roman tombs carved into the rock overlook the Moroccan coastline.

Known to backpackers as the "Steps of Doom," this walkway carved into the side of a seaside cliff leads to the Roman Tombs.

This futuristic building is yet another architectural wonder in Dubai.

Space-age monument to an early 20th-century uprising.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.