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

What was once an underground Nazi city is now Europe's largest bat reserve.

This towering statue of Jesus provided internet to the surrounding area.

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

This fairytale medieval church in Poland originally spent centuries in Norway.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

A fountain standing as a testament to a doomed alliance.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

Hundreds of intricately carved Armenian stone crosses can be found within this huge cemetery.

A geological oddity topped with a 2,000-year-old pagan temple.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

This unique building in the main square stands out among the city's typically Baroque architecture.

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.

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

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

This micro-nation may be some sort of prank, but its constitution sure seems official.

The oldest housing complex in Riga is a mini timeline of architectural trends.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.