This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Have tea in a cemetery with a dazzling view of Istanbul.

Ancient serpentine sacrifice holder that has stood the test of time.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

The only Roman honorific column in Istanbul.

Go inside to really appreciate this 500-year-old technological masterpiece.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Two stone columns flank the grand Venice square, but there were supposed to be three.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

King Ludwig I's collection of beautiful women.

The footprint of a frustrated devil in Munich's Cathedral.

A fearsome dragon clings to a corner of Munich's city hall.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

An unconventional memorial to the women burned as witches in Bratislava.