The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Mysterious standing stone formations looks like a petrified forest.

Located in a heritage building, this Mickey D's is missing its Golden Arches.

The world’s oldest military museum has remained largely unchanged since the last days of the Austro-Hungarian Empire.

This site was once the religious, cultural, and trade center of Sri Lanka.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

Step inside this medieval Orthodox gem and travel back to the 16th century.

This fifth-century church is one of the oldest Christian sites in the Balkans.

This medieval village clings to a cliff in southwestern France.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

This island castle now hosts a world-famous opera festival.

This volcanic crater lake is renowned for its perfectly round shape, stunning blue-green waters, and unique geological properties.

Budapest's Communist-era statues, banished to the suburbs.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Museum dedicated to the terror regimes of Hungary.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.