Climb a set of vertiginous stone steps to the top of this impressive ancient edifice.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

The ornate miniature mansions were built for Istanbul's feathered residents.

Quite possibly the oldest love poem known to humankind.

Step back in time and witness the fall of Constantinople.

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

A sixth-century Byzantine cistern hidden below a modern carpet store.

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

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

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.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

A multiversal transit station located right below a highway interchange.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

Visitors to this library are in for a real-world education in modernist architecture.

Designed to inspire artists visiting the island.

Outlaws, hot springs, and tragedy have all left their mark on this ancient road in the Icelandic highlands.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

A former factory now pays tribute to a local industry fueled by sardines.