Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

An intricately carved Viking church overlooks a glistening fjord.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Home to three historic ships from the age of Vikings.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

The Earth's saltiest natural body of water belches toxic gas.

Single runway interrupted by a busy road that cuts across its middle.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

A preserved oak tree about 3,500 years old found in Riga, Latvia.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

This no man's land slicing through the island is strewn with abandoned relics of another time.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

These medieval funerary monuments are now home to a colony of critically endangered vultures.