This Roman archeological site is hidden amid a 1930s housing estate.

These lamps were created to expel sewer gases after an event known as The Great Stink.

The 2,000-year-old pieces of metal are an ancient soldier's military discharge papers.

An abandoned tower once used to study the cosmos hides within a thicket of greenery.

The first museum in the United Kingdom dedicated to this woodwind instrument.

A father's love for his son has weathered the test of time in this whimsical garden of outsider art.

This temple was constructed entirely by Roman soldiers.

This museum honors the young maritime hero who became an unexpected Victorian-era celebrity.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

This massive chapel in the middle of the Indonesian forest is both haunting and fowl.

A meow-velous tribute to a beloved street cat, made famous on the internet.

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

Housed in an old British jail, this spot serves up Georgian, Russian, and Ukrainian specialities with a side of Turkish history.

The home-turned-museum of Barış Manço, the mustachioed Turkish Elvis for children.

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

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.

A charming beach town in Turkey captures all the colors of the rainbow.

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

Turkish adventurer antiques in the heart of the Grand Bazaar.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

The spectacular history of spectacles on display.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.