Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Northern Virginia’s iconic Vietnamese shopping center.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

A quintet of history museums make this Virginia graveyard as much a resting place for funereal history as it is for people.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This curious, round temple is the oldest still-standing marble building in Rome.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Architectureal fantasy quarter of Rome.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Pompeii's less famous neighbor is still revealing her secrets.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

20,000 pieces in a Frank Gehry-designed building.

A winged-helmed, sword-brandishing tribute to German Americans.

This massive roadside mascot was the first version of the giant to illustrate his butt.

This sculpture is dedicated to Minnesota natives who served in combat.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

Explore the History & Technology of Electronic Communication

When flour explodes, it's not a pretty sight.