Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

Vibrant street art created with mixed media.

When you enter this complex it is like walking onto a Sci-Fi film set.

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

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Gigantic water vessel, permanently grounded in Southern Albania.

This historic electric train has operated with regularity since the early 1900s.

This iconic statue pays tribute to a renowned local artist.

This historical manor is complete with a magnificent garden.

The Avenue of Mausolea is a series of grand palatial tombs.

Light still pours into the ruins of this ancient Islamic observatory.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Ancient barriers wrap around what was once an important stop along the Silk Road.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

A boulder carved into the shape of the cosmonaut's head.

Lonely minaret stump of a destroyed city.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

The 10,000 Torii shrine.