Peer into this window for an interesting glimpse into the public utilities that make this city run.

Two of the few remaining life-sized Greek bronzes were submerged in the sea for over 2,000 years.

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

An eccentric home in Sicily turns heads on a regular basis.

An abandoned building that once tightened a power line that stretched across Messina Strait.

Climb the dead electric pylons of Messina.

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

More than 10,000 small mirrors cover the curved surface of the world's second-largest solar oven, located in a remote village in Uzbekistan.

The heartbeat of modern Uzbekistan’s thriving market culture.

Touching displays of wishes for peace from the Cold War era.

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

Where Stoddart and Connolly suffered in the infamous Bug Pit.

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

18m long sarcophagus of a constantly growing dead prophet.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Ancient barriers wrap around what was once an important stop along the Silk Road.

Light still pours into the ruins of this ancient Islamic observatory.

The Avenue of Mausolea is a series of grand palatial tombs.

A natural waterslide in Brazil’s most expansive national park.

The famous sculptor had a hand in this imposing fortress.

A giant baby floats in the middle of Singapore’s nature park.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

142 ceramic steps become a mosaic once a year.