The largest hewn stone in history.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

An open-air gallery and garden in North Lebanon with plans to continue growing.

Modern museum, designed for Jihadi tourists.

Beirut's thinnest building was the result of feuding brothers.

Brush shoulders with animatronic Arab leaders made of silicone.

An intimate look into the apartments of Jounieh via cable car.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

A hidden art gallery in an abandoned Warsaw fort.

A 20th-century picture show in 3-D.

Hundreds of notes give thanks to the patron saint of lost causes.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

One of the world's largest collections of medieval religious art.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

This extensive collection covers thousands of years of Polish military history.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

This hidden collection of everyday objects illustrates life within communist Poland.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.