A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

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

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

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

A rare example of World War I trenches from the British front.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

This abandoned Belgian fortress is purposefully being left to nature.

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

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.