This ancient market is often referred to as the oldest shopping mall in the world.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This strange statue features a bust of the famous composer plopped atop a woman's body.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

An architectural oddity hides in plain sight on this iconic London bridge.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

The first commercial nuclear power plant constructed on Long Island.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This impressive scene portrays the elusive forest giraffe of Central Africa.

This morbid scene depicts the Darwinian drama of death on the African savannah.

A historic lighthouse steeped in rumors of ghost and pirate stories.

Here be dragons.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

You must take the A train... to the last active cemetery in Manhattan.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

Oldest existing wire suspension bridge in the United States.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.