Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A massive Montreal stadium that has seen nothing but trouble since its inception.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

A Circus legend leaves an unexpected endowment.

A monument celebrating the idea of reaching inaccessible places.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

This ancient theater was once the home of fierce gladiatorial battles.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Historic medieval fortified city in southwest France.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Seat of the Duke and Duchess of Devonshire for centuries.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

A fantastic castle rumored to be the birthplace of King Arthur.

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

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The oldest working mechanical clock in the world.

The first archaeological site discovered by aerial photography.

Famously misunderstood wonder of the ancient world

Europe's largest prehistoric mound – burial site of a legendary king?

The largest stone circle in the world has ended up bringing up more questions than it has answered.

One of the largest megalithic complexes in England, which local legend holds is a wedding party turned to stone by the Devil.