Houses are tucked between, on, and underneath giant boulders.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

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

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

Local lore says two enemy dragons live within these breathtaking mountain lakes.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

Brawny guys rolling around in oil is the oldest regular sporting event besides the Olympics.

Roman ruins, natural methane fires and a lovely beach.

Ancient Greek oracle of the dead.

Flames have been burning within this mountain for more than 2,500 years.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

At almost 900 feet long, this is Bulgaria's longest suspension bridge and the only way to reach the small village of Lisitsite.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

This Ottoman bridge is a rare covered bridge with shops, and considers itself the only bazaar bridge in the world.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

An artistic melting pot inside an old roadside inn from the Ottoman era.

A two thousand year old brothel uncovered in Northern Greece.

A little-known park with unusual, half-ruined structures and a mystical energy.