A 10-meter totem pole stands as a tribute to Seattle’s sister city of Bergen, Norway.

An ancient Egyptian temple in the middle of Madrid, Spain.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

This postmodern apartment block was designed to be a vertical neighborhood.

Five million people are laid to rest here, more than the population of Madrid itself.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

This cuddly-looking statue symbolizes the bond between Spain and China.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

A marvel of Byzantine engineering under the streets of Istanbul.

Resting place and mausoleum of the founder and first president of Turkey.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

A charming beach town in Turkey captures all the colors of the rainbow.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Walk behind a 50-meter-high waterfall.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.