This monument built by Japanese American immigrants spent decades underground.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

An historic, one-lane, pedestrian suspension bridge on Kauai.

This blowhole is supposedly caused by a trapped monster.

This historic bridge connects Whidbey Island to Fidalgo Island across whirlpool-filled waters.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

This enormous censer uses a pulley system installed over 400 years ago.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

Giant topiary dog once played a role in a terrorist bomb plot.

Marvel at this immense work of art that greets arrivals to the city.

This 19th-century fountain's namesake animal isn't what you think it is.

A historic and beautiful Art Nouveau chamber in a historic railway station.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A colossal statue of a woman hugging a modern building.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A sculpture of the beloved author surrounded by characters from his fairy tales.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.