A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

A hands-off space for graffiti artists to hone and display their skills.

The location Geoffrey Chaucer and tale-telling pilgrims set off for Canterbury in April 1386.

130 replicas of world wonders squeezed into just 118 acres of space.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

An enormous and lavish Gothic church in Czechia.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

See hundreds of herons and egrets in the heart of the city in this dreamy hidden park.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Try not to get slimed in Tribeca.

Play heads or tails with thousands of different coins.

A church of bones, decorated with 40,000 human skeletons.

A surreal statue honoring Prague's favorite literary son.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

This spooky statue sits outside a famous Prague theater.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

This excellent museum recreates the boom days of the herring rush in the "Atlantic Klondike."

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Flamboyant architecture from the turn of 20th century.

The oldest housing complex in Riga is a mini timeline of architectural trends.

Once the private home of China’s most legendary tycoon, getting inside this stunning mansion no longer requires an elite pedigree or acts of daring.