What appears to be an ancient Roman temple is actually a Catholic church.

A prestigious learning institute of old Shanghai.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

This sculpture combines the literary Alice with her real-life inspiration.

This clifftop arch is a natural stunner.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

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

The ruins of this medieval castle overlook the lake of Piediluco in what was once a sacred forest.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

A towering monument to war, located on a beautifully peaceful hill.

Puppet theater and museum holding a collection of more than 300.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

A public urinal so pretty, it was declared a national monument.

The center of the only hemisphere that awards visitors with a commemorative coin.

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

A downtown park built on top of unclaimed graves.

In Tucson a giant metal snake helps pedestrians cross a busy highway.