Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The fairy tale castle of the "fairy-tale king."

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A fake medieval village in the middle of Turin.

Five candy-colored villages on the Italian Riviera.

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

2300-year-old Roman road connecting the empire.

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

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

World's first "penitentiary," meant to be humane, drove men insane.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A unique sculpture park that specializes in the huge and bizarre.

One of only two commuter aerial tramways in the United States.

A terrific purveyor of natural history objects and curios.

A crumbling hospital from the 1850s on Roosevelt Island.

Slyly buy a shake in the Parker Meridien lobby.

Rummage through this sunken ship, but leave your scuba gear at home.

An artist's cute bronze subway sculptures belie his violent artistic past.

A very classy 1920s-era bar right in Grand Central Station.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.