5,000 skulls in memorial to those killed by the Khmer Rouge.

Khmer Rouge's high security prison.

One of the biggest markets in Asia, under one of the continent's largest domes.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

Under Hanoi’s medieval citadel sits a secret military headquarters from the final years of the Vietnam War.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

What was once rural farmland owned by the Dominican Order is now an artisanal crafts market enveloped by Santiago’s urban sprawl.

A bright little alley in La Boca is a part of tango history.

A vibrant street away from the typical tourist track, lined with colorful, mosaic-covered houses.

A beautiful young girl said to have been buried alive in her coffin…

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

With its vast selection of books, comics, and records, this nearly 70-year-old open-air market always rewards the patient browser.

This stunning mass of ice spans 121 square miles and is still growing.

A remnant of Korea's colonial past lies forgotten in a hip neighborhood in Seoul.

Memorial to the first European to set foot on Maui.

What happens when a sculptor has to find a way around a 100-year-old copyright.

The colorful, smiling concrete silos of Vancouver.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

One of the last functioning antique elevators in Chicago.