Eat your Big Mac in a DC-3.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

This tallest folly in the world began its life as an elaborate factory chimney.

Every color in the rainbow awaits.

A rustic house where intellectuals and investors tried to put an end to Cold War nuclear armament.

Explore the ruins of war and maritime history along this gorgeously ferocious North Atlantic seascape.

The only museum in the world dedicated to the history of sprint car racing, next to one of the country's most historic dirt tracks.

These abandoned Cold War-era bunkers are now a designated refuge for endangered bat species.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

A natural gas leak provides a flickering flame beneath a waterfall.

This Italian church is as beautiful as it is common, except for the real skulls decorating the many mannequins inside.

This bomb was once used as a church after it failed to detonate.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

These locks on North America’s oldest canal are named after a porcine rock formation.

A 1995 memorial acknowledges the tremendous contributions of Vietnamese refugees to Canada.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

This extraordinary geological oddity resembles human-made pavement.

Rainforest filled with record-holding eucalyptus.

Countless expeditions have left Tasmania to explore Antarctica, but this island state has an even deeper connection with the sea.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.