A lonely memorial to the Challenger Space Shuttle, honoring the astronauts who died in 1986.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

The world’s largest underground marble quarry is hiding in Vermont.

This unusual building straddles two countries.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

A little-visited waterfall in an otherworldly landscape.

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

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

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

The Arctic Circle runs through this isolated spot north of Iceland.

Rising from the sea like a stone monster.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

This rusting remnant of the local herring industry is being given a second life.

Akureyri is home to an oversized can of one of Iceland's favourite beers.

Once the site of a 12-century monastery, this tiny island is now home to only five permanent residents.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

Dozens of large, brightly-colored paintings adorn the walls of the "street art capital of Iceland."

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

Florida's first suspension bridge.