This historic streetcar system has been running since the 19th-century.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

From the late 19th century until the 1960s, these stone-lined "stumps" were a popular place for people to air their views on local and international issues.

A colorful street named for the legendary Australian rock band.

It's said to be one of the most significant collections of contemporary Chinese art in the world.

A statue of a Scottish cultural icon in central Sydney.

Hidden within Sydney’s lush Royal Botanic Garden is a walled cactus rockery and the site of Australia's first zoo.

This work of art was designed to represent the Tarpeian Way Quarry that once dominated the area.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

A self-funded cemetery with a long list of inhabitants.

A preserved portion of an ancient Athens barrier is displayed in a hotel basement.

A centuries-old forgotten underworld lies beneath Malta.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

The oldest private art gallery in all of Hungary.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

A garden in Lisbon filled with giant porcelain creatures.

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

The Hungarian biochemist whose research helped develop mRNA-based vaccines for Covid-19.

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

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.

The metal leaves on this tree are engraved with the names of Holocaust victims.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

The true meaning behind this sculpture remains unknown.