This Communist-era residential block is one of the longest residential building in Europe.

A delightful museum entirely dedicated to the tiny homes of dolls.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

A statue honors the children who fought Nazis in Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

The true meaning behind this sculpture remains unknown.

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

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

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

A two-way chairlift system between Zugliget and the highest point in the city.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

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

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

Though difficult to access, this stunning cave has a place in Scotland's poetic history.

One man spent 10 years building a spectacular section of road because no one else would.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The oldest stone house in Paris was built by its most famous alchemist.