A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

This colossal couch is an unlikely monument to Europe's first female Doctor of Law.

Vines grow up the metal bars in this public park created from an old machine factory.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

"The prettiest love letters in the world" ... or so said Lord Byron.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

The shell of a medieval fortress offers commanding views of the area it once protected.

Double spiral staircases are not unheard of, but they are very rare.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

A silly medieval mural preserved on the side of a Viennese house.

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

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

The topiary maze at the Habsburg hunting lodge.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The beautiful baroque library of the Hapsburg empire.

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

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

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

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