Historic slum of Tartu.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

A medieval setting reimagined into a unique art alley.

The oldest continuously operating pharmacy in Europe.

Relics from an era long gone, sit idle outside this Estonian museum.

A mere stone's throw from Islamabad exists a spectacular display of three millennia of humanity's progress.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

The first museum in the U.S. to address human rights issues in China.

This abandoned Greek island was the last active leper colony in Europe.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

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

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This legendary city has been a tourist attraction for centuries.

Monasteries on rock pillars, once accessible only by frayed ropes.

A shrine to the missionary who first brought Islam to China.

A replica of the Statue of Liberty watches over the tomb of 72 Chinese revolutionaries.

Walled family complexes in Southern China.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Hundreds of large Russian nesting dolls decorate this square, and the largest is a functioning hotel.

An impactful museum ensures notorious war crimes disguised as "medical experimentation" won't soon be forgotten.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.

Rusting ships sit in a desert where a sea used to be.

Sweden's oldest street has not changed for nearly a millennium.