A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

1513 Turkish world map, full of European state secrets and snarky commentary.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

Home to more than 13,000 pieces of war memorabilia and military equipment.

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

Tracking the 1,500-year history of Korea's star cabbage.

Secret North Korean passage discovered below the world's most dangerous border.

Thousands of turbines whir at the origin of North American wind power.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

The ghostly remains of an accidental sea.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Abandoned silver mine strewn with wrecked and twisted structures.