Rome's semi-secret peephole vista is also a former Crusader stronghold.

Gargoyle head that brings good luck.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

This iconic clock tower is the largest in the Philippines.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

A huge musical instrument played by the ocean.

This Elizabethan hedge maze is one of only six in North America.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.