Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

3,000 market stands in five former Zeppelin hangars.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

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

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

The reconstruction of this prominent building fulfilled a long-written command.

This enigmatic artifact remained buried in a churchyard for years.

A black cat protests the City Guild in Riga's Old Town.

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.

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

A 100-plus-year-old mill transformed into a hotel and restaurant.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

These massive moving sand dunes have swallowed an entire village and are still on the run.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

Italy's "New Mountain" rose from the ground in a volcanic eruption in 1538.

A sulfuric hellscape in southern Italy.