Over time, this castle grew to encompass the entire island.

A memorial to the murdered Jews of Kaunas.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

A narrow strip of land is home to the tallest migrating dunes in Europe.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Lithuania's outdoor sculpture trail of wooden folk art.

Featured in one of the most iconic scenes in cinema history.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

Prowl through this sprawling bazaar under a massive Soviet-era dome for delicious eats.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

Giant cauldrons overflow with Uzbekistan's favorite rice dish at this cavernous dining hall.

An 18-meter-long sarcophagus of a constantly growing dead prophet.

Ancient barriers wrap around what was once an important stop along the Silk Road.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

The Avenue of Mausolea is a series of grand palatial tombs.

Light still pours into the ruins of this ancient Islamic observatory.

A seemingly endless landscape of pure salt stretches far across Bolivia.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A moai decorated with the depiction of a European ship.

A charmingly unusual prefabricated metal church designed by Alexandre Gustave Eiffel.

A volcanic crater that visitors can look inside.