This historic black and white monastery is one of Bulgaria's architectural jewels.

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

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

This building has survived for more than a century and remains virtually untouched.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A surreal statue honoring Prague's favorite literary son.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Steadily reminding Czechia of its past.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

This antique thermometer honors the creator of the first universal temperature scale.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.