A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

The metal leaves on this tree are engraved with the names of Holocaust victims.

A scene from one of Hungary's most famous novels.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

This sculpture honors the man who was known as the "Righteous Among the Nations."

Europe's second largest ossuary wasn't discovered until 2001.

Mummified monks and the accidentally interred, in a 17th-century crypt.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

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

The final resting place for the remains of 143 Habsburg royalty.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A sixth-century Byzantine cistern hidden below a modern carpet store.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

Turkish adventurer antiques in the heart of the Grand Bazaar.

Ancient serpentine sacrifice holder that has stood the test of time.