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

The hallucinogenic center of the ancient world.

This legendary city has been a tourist attraction for centuries.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Smallest house in Toronto sits on a lot meant to be just wide enough for cars to drive through.

This massive, ancient stone was disassembled and then put back together again.

One of the largest underground systems runs under Canada's largest urban center.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Lost subway station nestled beneath Toronto's busy commuter line.

The oldest landmark of Toronto is a testament to shifting sands.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

60 feet of towering steel balances gracefully.

The largest collection of two headed animals in the world.