A fountain standing as a testament to a doomed alliance.

The ancient latrines of the Greeks, in all their public glory.

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.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

Thousands of well-dressed mummies below a monastery.

Every inch of this chapel is covered in craftsmanship from across the world.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

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

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Elevated freight railway turned wildly successful urban park.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The beautiful baroque library of the Hapsburg empire.

This strange statue features a bust of the famous composer plopped atop a woman's body.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The fairy tale castle of the "fairy-tale king."

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.