This coffee shop lies hidden beneath a historic church.

A timeline of London history on the Thames Path, installed in 2014

The ruins of a once-mighty medieval palace are hidden away in otherwise modern London

Ship-sized kinetic sculptural fantasy.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

The iconic blonde bombshell has a familial connection to this town in southern Norway.

This large, castle-like structure is hidden amid the mountains on the grounds of the Utah State Hospital.

Copenhagen's celebrated theme park and gardens.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The heads of two giant mythological water horses honor Scotland's horselord past.

This sheep farm has been forever transformed since being built for “The Hobbit” film series.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Treehouse motel and treehouse-building school.

This canyon is comprised of gorgeous waters and magnificent basalt columns.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

This stunning concert hall has become a symbol of Iceland's national recovery.

This elegant arc of a waterfall marks a religious turning point.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant