A museum dedicated to the former country.

Different sections of the Zemun Fortress were built in the 14th and 15th century as a response to the advance of the Ottoman Empire.

This hidden gem reveals the history of Britain's first police force.

Inscribed on the gate are the names of 29 figures from the University's first five centuries.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

This unique sculpture is often overlooked by pedestrians.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

World's first "penitentiary," meant to be humane, drove men insane.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

This public park was the site of the largest civilian disaster of the Civil War.

There aren't too many operational funiculars around, but Pittsburgh has two!

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

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.