A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A medieval stronghold rising over the ruins of ancient Roman villas along Rome's southern coast.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

Centuries ago, red and white wine poured from the statue's breasts whenever a new Venetian ruler was elected.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

Renaissance villa and gardens complete with a tormented colossus.

A submerged archeological park still holds the wonders of a Roman Sodom.

This award-winning men's bathroom was just too beautiful to not allow women to see.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

An abandoned underground bathroom is now a space for public art.

A palatial art deco restroom.

There are two legends behind the origin of this unusually tall sanitary structure.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A public urinal so pretty, it was declared a national monument.

Modern art meets modern convenience in possibly the world's most architecturally important public bathroom.

Norway has built what may be the world's most beautiful public toilet.

A city built from mud and known as the "Manhattan of the desert."

A Spanish forest is filled with mysterious stone carvings.