It's good luck to be mocked by this monkey.

A preserved college lock-up that recalls a clubhouse approach to discipline.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A church of bones, decorated with 40,000 human skeletons.

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

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

Macabre astrological automaton clock dating to the late 1400s.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

The silly symbol for an underground protest group is now scattered around the city.

A striking public sculpture representing the period of martial law in Communist Poland.

An enormous and lavish Gothic church in Czechia.

Be(w)ar(e) the moat around this historic Czech castle.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Ruins of a German Castle on top of a towering stone pillar.

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.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.