An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

An imperial art museum offers edible versions of its most treasured displays in an on-site fine-dining restaurant.

Air-raid tunnels hidden beneath this opulent hotel provided shelter and an escape route—and one of the world's longest slides.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

Inside the Wayne County airport is an amazing collection of lights and sounds.

Scattered around Atlanta are little doors with big charm.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

A 200-year-old bar is all that remains of one Mississippi River town's rough-and-tumble past.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

William Faulkner kept his beloved estate wild and untamed.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Historical figures from New York City's Catholic community reside in Midtown.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."