Every equinox this Maya pyramid puts on a spooky ancient light show.

These azure waters were thought to lead to the Mayan Underworld.

Famously misunderstood wonder of the ancient world

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Used as an example in one of the first dictionary entries for "museum" in 1706.

This 11th century tower is said to be the oldest building in Oxford.

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

Pop culture has helped to keep this iconic British building from being destroyed.

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

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Legends surround this jagged rock formation in the New Mexico desert.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

A monument to the art of slicing people open.

100 year tradition of fist fights, marked by marble footsteps.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The resting place of a Civil War celebrity's amputated limb.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.