Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

Only a fragment of this 15th-century Dance of Death survives today.

The gutted remains of this Estonian mansion are a monument to a tragic love.

Man-made mineral caves house massive bat colony.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

This memorial to local World War II heroes is slowly being reclaimed by nature.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

One of the world's oldest olive trees, thought to be over 2,000 years old.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

A tiny church on a man-made island in the Adriatic.

A curious cave church carved into the face of a cliff.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

A naturally beautiful, seemingly bottomless deep blue spring.

What happens when you cross a mayor and a painter?

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.