The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

The magic's in the hole!

This expansive bridge in the Canadian wilderness was originally just built for friends.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

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

Medicinal spa created with the discharge from a geothermal energy plant.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

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

The most powerful waterfall in all of Europe.

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

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The mayor made the declaration in 2004.

This abandoned factory on the Hudson River once churned out a million bricks a week.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

The largest self-built castle in the U.S., six decades in the making.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.