The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

The oldest ruins at this castle overlooking Georgia's Terek River Valley date back to the 10th century.

One of the very few mosques built by the Ottomans still standing in Croatia is now a Catholic church.

A unique two-level bridge designed to honor a king.

A tribute to an iconic act of defiance from the Croatian War of Independence involving a small car.

Just a few miles from Novalja, a strange geological oddity has left scientists baffled.

An ancient knight and a symbol of the city's freedom.

Legend says the goddess this shrine honors curses any couples that pass by.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.