One of Canada's tiniest museums tackles the world's largest turtle.

The city of Halifax still bears the scars of the largest explosion prior to the atomic bomb.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

This isolated and westernmost point of the Faroe Islands archipelago is home to thousands of seabirds.

Located more than 600 feet beneath the North Atlantic seabed, this tunnel boasts the world's first undersea roundabout.

In this desolate valley resides a gorgeous set of rocks sporting a technicolor design.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

Single runway interrupted by a busy road that cuts across its middle.

This bridge was constructed from the rubble of the infamous Bastille.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Climb into Albania's communist history while enjoying a spectacular ocean view.

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

This famous archeological mystery may be an ancient example of movable type.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

A sixth-century Byzantine cistern hidden below a modern carpet store.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

A marvel of Byzantine engineering under the streets of Istanbul.

An homage to the medieval rulers of Bulgaria.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

Something's watching you.

"Medieval" castle built in the mid-20th century by one family.