Immortal combat in a Moscow museum.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Have tea in a cemetery with a dazzling view of Istanbul.

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

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

This shuttered power plant is now Turkey's first industrial archaeology museum.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

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

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

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

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

The most metal church of all time was built in record time because of an international, pious pissing contest.

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

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.