This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

A stunning architectural yet functional feat, towering over Oslo.

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

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

The world's tallest bridge is also possibly the most elegant.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

The site of the first medieval crusade that pitted Christians against Christians.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Balconies that have a most unusual accent.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

The castle where the Marquis de Sade lived out his darkest fantasies.

This disused Cold War bunker has been restored to all of its early 60s glory.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

If they push on just the right spot, even the weakest person can move this titanic boulder.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.