Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

Prowl through this sprawling bazaar under a massive Soviet-era dome for delicious eats.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

Giant cauldrons overflow with Uzbekistan's favorite rice dish at this cavernous dining hall.

This museum covers 10,000 years of Pre-Columbian Latin American history.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

A tower devoted to — and modeled after — the Divine Comedy.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A surrealist timepiece by the artist of melting clocks.

This 400-year-old tree is actually an immigrant from North America.

A museum which takes visitors to the côté obscure of Paris.

The video game-themed street art first popped up in the French city.

The eyes and ears of this tower keep watch over Malta’s Grand Harbor.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

A Byzantine-era church hidden in a wooded area below the Acropolis.

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

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.

An ancient octagonal weather station named for the eight Greek gods of wind.

The ruined doorway is a portal to the building's turbulent and torturous past.

A museum celebrating mola textiles, the intricate art of the Guna people of Panama.