A small 12th-century temple surrounded by waters believed to have curative properties.

One of the biggest markets in Asia, under one of the continent's largest domes.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

This French colonial post office is arguably the grandest in all of Southeast Asia.

The spot where the two men ate together now stands enclosed in glass.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

This 135-year-old weather station studied the effects of the climate on human health.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

An important Mayan religious and trading center dating back to 200 BC.

The restored estate of a wealthy rancher was once at the heart of an unprecedented legal victory.

Tucked away in a corner of a Maine general store there was a museum devoted to an equally beloved and reviled local soft drink.

This World's Fair showpiece was built in Chicago, but shipped to Maine.

This blue behemoth of a bear is a colorful homage to Brown University's mascot.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This replica of the Greek structure is in the heart of Nashville.