After 11 years of reconstruction work, Slovakia's finest hilltop chapel complex is finally reopen to the public.

A marvel of Byzantine engineering under the streets of Istanbul.

Ottoman-era houses lovingly preserved.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The only quarter of the Old City not dedicated to a major world religion.

This full-sized orange tree lives suspended in mid-air above the streets of Jaffa.

A museum glorifying the life of Stalin, located in the city of his birth.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

Breathtaking and huge 430 year old maps of Italy.

3,000 market stands in five former Zeppelin hangars.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This group of small islands on Lake Nicaragua formed after an eruption of the Mombacho volcano.

An underground city of salt.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This Gothic church was wheeled in its entirety to a new location a half a mile away.

Dedicated to the history of mining and minting in a region rich in silver and radium.