This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This bike path was sunk below water level for maximum wonder.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

At this archaeological site, visitors can explore the ruins of the capital of the former Roman province of Moesia.

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

Old cabin-like homes in a rural community untouched by time are known for their vibrant and colorful window shutters.

This towering statue of Jesus provided internet to the surrounding area.

One of only two places in the world where two rivers cross each other without the waters mixing.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

This picturesque castle in Poland has a rich history, including a legend that ties it to lost Incan treasures.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

Inside this Krakow church, an explosion of psychedelic color.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

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

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Over time, this castle grew to encompass the entire island.

These traffic lights celebrate the 100 year anniversary of the women's suffrage movement in Lithuania.

A narrow strip of land is home to the tallest migrating dunes in Europe.