Former meatpacking facility turned vertical farm and sustainable business complex.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

The city's oldest Chinese restaurant offers local history and seriously good food.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Now a pedestrian bridge, this was once part of a narrow-gauge railroad that ran along the east coast of Kauai.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

Step back in time while shopping inside this local store.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

This 13th century Orthodox monastery is built right into the Moldovan cliffside.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

Once the tallest building in Chisinau, this unique tower is a relic of Soviet architecture.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

In one of the world's smallest countries, a royal's personal winery is open to the public.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

This hand-carved wooden carousel in the Story City North Park was built in 1913.

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.