Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

Learn about stars, weather patterns, or just enjoy the panoramic view of Ghent.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

Dramatic river bend surrounds a natural red-rocked pedestal.

This enchanting rainforest hotel looks as though it grew from the forest itself.

A tiny cafe that recreates the Japanese elementary school lunch experience.

The ominously named cave is home to some remarkable ancient art.

This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

This modern arts center is built around a gem of late-Baroque architecture.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

This ghost town in Belgium will lose its street art when it ceases to exist.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

These fantastically named natural pools look like something out of a Scottish myth.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.