Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

The coffin-shaped church was once home to monks who slept in coffins.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

This semi-secret storybook hedge maze is also the oldest garden in the city.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

Monks turned this mountain into a temple by digging grottoes, tunnels, and a huge pagoda-like hall.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

Psychedelic murals coat the inside of a nondescript research library.

The tiny statues form China's only known terracotta army from the Han dynasty.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

This unassuming stone commemorates a condiment factory gone up in smoke.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

A brilliant turquoise lake in the mountains.

These strikingly colorful paintings were created by a mysterious Mesoamerican civilization.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

After years of slow decline, a derelict Gothic castle is now being restored to life.

Only 68 people per day are allowed to visit this New Zealand bird-watcher’s paradise.

These enigmatic columns tower over the ruins of an ancient Toltec city.

A beloved tribute to the Fab Four and the freedoms they inspired.

A vibrant street away from the typical tourist track, lined with colorful, mosaic-covered houses.