These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

Fortified homes of highland warriors that are still in use today.

Towering at a height of over 30 meters, this turn-of-the-18th-century landmark is the tallest temple in Nepal.

The former stronghold of the Malla Dynasty has remained virtually unchanged since the 17th century.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

This Gothic-style church is reputedly built atop the remains of one of Jesus's apostles.

The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.

A blooming house of worship for the masses.

A battle between nature and architecture in the Cambodian jungle.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

Granting the right of way to ships over surface traffic since 1917.

This working class sculpture pounds his hammer all the livelong day.

People come from across the globe to swim in this lake believed to have healing properties.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Perhaps the world's only gas station inspired by a political scandal.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.