A naturally beautiful, seemingly bottomless deep blue spring.

This apartment is a true time capsule of local life in Bulgaria during the Soviet regime.

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

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

You'll find just about anything in this funky Tbilisi flea market.

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

Georgia's answer to Easter Island immortalizes the nation's great poets, artists, and leaders in stone glory.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

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

The grandest stage for the world's foremost masters of invisible instruments.

One of the world's most unusual events combines headbanging and needlework.

Hidden deep in a forest is this geological wonder carved by glaciers.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

A replica of the home of a famous fictional troll family.

A little-known sculpture park of contemporary environmental art in a Lapland forest.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Menacing or in memoriam, the Silent People and their meaning are left to interpretation.

A vast necropolis where you'll find the elaborate mausoleums of Argentinian tango stars.

A toxic lake near a volcanic caldera that is home to flamingos and other life.

This stunning mass of ice spans 121 square miles and is still growing.

During this Bolivian festival/fair you can wish for wealth, success, love, and more by buying a miniature version of your desire.

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.