House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The only airport with a people mover system designed by Walt Disney Imagineering.

In Houston's airport, a cow is properly equipped to jump over the moon.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

A health museum containing a 27’’½-foot intestine.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

This small museum in a 17th-century building honors three iconic Scottish writers.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

Frida Kahlo's childhood home, now a museum of her life and works.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The National Park Service’s best-kept secret with views that rival any in D.C.

This Masonic lodge was the first major private building to be constructed in Washington, D.C. after the Civil War.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

The middle finger of modernity.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A Nesting Doll of Churches.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Pompeii's less famous neighbor is still revealing her secrets.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.