Mysterious standing stone formations looks like a petrified forest.

An abandoned saucer-shaped monument in the Bulgarian mountains.

This massive stone and steel monument remembers a century-old battle that cost thousands of lives and nearly destroyed the city.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

The remarkably well-preserved final resting place of a powerful ancient Thracian king.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

This doorless 20th-century elevator doesn't stop or slow down.

A mocking tribute to the past and modern leadership of Prague.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Steadily reminding Czechia of its past.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Countless grotesque faces stare out from this eerie Prague art wall.

The oldest garden in Prague, once part of an medieval orchard.

Tucked away in a Prague park, a statue beloved by romantics honors a poet so nice they buried him twice.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.