An exquisite panometer representing Dresden as it was from 1695 to 1760.

The bridge that cost Germany a World Heritage Site.

When the rain falls, this drain system turns into a musical instrument.

This small train ride offers stellar views of the Grand Garden Palace.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

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

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

Outside of Budapest, a reconstruction of a 16th-century fortress.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

The world’s first statue of the late Apple co-founder.

This hidden art nouveau gem was designed by an architect in search of a national style.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

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

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

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

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

Once the home of a hermetic monk, this cave now houses a small church.

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

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

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

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

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.