Bottrop, Germany
Tetrahedron in Bottrop
This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.
Places I want to go
Places on this traveler's wishlist.
Bottrop, Germany
This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.
Sasso di Castalda, Italy
Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.
Province of Matera, Italy
An Italian hillside ghost town.
Sorrento, Italy
An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.