A layered tribute to the work of mosaicist Isaiah Zagar.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The curiosities and wonders of pharmacy in a delightful historic building.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

A snapshot of the city's fascinating voodoo culture.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created with the discharge from a geothermal energy plant.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

The ancient latrines of the Greeks, in all their public glory.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

Erotic art covers the walls of the largest ancient pleasure palace.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.