This ancient structure is widely thought to be the oldest intact pyramid in the world.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

A mecca for India's Jains.

This gorgeous, colorful 18th-century church is part of one of Bolivia's few surviving Jesuit missions.

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

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

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

A colorful public mural in San Antonio's West Side encourages students to stay in school.

A contemporary fresco movement illustrates the region's rich history.

This museum offers an actual time machine back through Colorado's past.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

A common entry point to the Griffith Observatory trail holds its own wonders.

The quiet canyon has a tumultuous history involving a doomsday cult.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

The final resting place of a space program monolith.