A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

One of the best-preserved medieval streets in Europe.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Monasteries on rock pillars, once accessible only by frayed ropes.

This former mill comes to life during the Christmas season.

This Swiss cemetery is reserved for people who died in climbing accidents.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Video games, body language, and postal history are all on display in this Swiss museum.

The bears of Bern have been a city highlight for over 500 years.

Baroque celebration of the end of the Great Plague of Vienna.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A town's monument to a touch-football victory 50 years in the making.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

The oldest university museum west of the Mississippi retains its 19th century feel.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Stroll around the headstones of notable figures from Knoxville's history, as well as towering monoliths and melancholic headstones.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

Once a giant oak that served as the region's post office.