Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

Roman ruins top white travertine terraces formed by ancient hot springs.

Time has stopped at the house where Gandhi died.

This lavish estate recalls the opulent history of Calcutta.

Rock-cut cave complex filled with ancient Buddhist artwork.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

An extraordinary "City of Caves" carved from solid stone.

Bits and pieces from the ill-fated Donner Party's winter cabins.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.

Seven ceramic sculptures are scattered around this California college campus.

Dive bar built out of the remains of a whaling ship.

The newsstand that never closes its doors—well, almost never.

Sacred Buddhist home of some spiritual monkeys.