This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A marvel of Byzantine engineering under the streets of Istanbul.

This blue plaque memorializes the first person to be murdered on a railway train.

These remnants of Old London Bridge possess unique acoustics that allow for whispered conversations to carry from one side to the other.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of London's oldest houses contains a mixture of both old and modern features.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

This sculpture of a pylon is upside down and askew, as if its main purpose is to confuse passersby.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

Tourists who rely on a transit map to find the iconic Beatles location often end up in a far-off neighborhood.

This peaceful park with centuries of history hides in an overlooked section of South London.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

This black cat was actually designed to ward off bad luck.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This modest marker near Notre Dame identifies the very center of Paris.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The site where two doves fell in love.