Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Elevated freight railway turned wildly successful urban park.

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

Dim sum, served in a grand old theater.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

A tunnel of hardened lava along Maui’s famous Road to Hana.

A multi-storied adobe complex has been inhabited for more than a thousand years.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.