The crumbling remains of Juneau's explosives storage site.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

The picturesque remains of an abandoned silver mine slope down to Tagish Lake in the Yukon.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

A historic freight system that found the true gold rush is in tourism.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

A tourist attraction founded around a slumping cabin.

This former coal gasification plant found a curious second life as a popular public park.

Atop an active stratovolcano, two lakes separated by a narrow strip of land.

A haven for wildlife amid the farmlands and development of the Willamette River Valley.

A vertically floating hemlock controls the waves and weather at Crater Lake.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Town not known for anything except its strange name.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

The stoutest tree in the world.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.