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

The most visited, and possibly most controversial, museum in Germany.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This extraordinary geological oddity resembles human-made pavement.

Aqua white sand highlighted with fiery red rocks.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Macabre astrological automaton clock dating to the late 1400s.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

A national collection of Communist-era musical posters.

Regency-era excess on the English Coast.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

An offbeat angle on the ocean viewed through an antiquated lens.

A second generation sun-powered marvel lights up the night.

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

Historic funicular railway, believed to be the shortest railroad in the world.

A Singapore shrine to an unnamed German girl who has become a local deity.

A licentious look into Singapore's past, full of disorderly bric-a-brac and disreputable characters.

A Buddhist theme park brings you a Buddhist version of Hell.

The most playful of the life-sized statues that make up Singapore's "People of the River."

Singapore's landscaping project is home to 18 incredible Supertrees.