A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

A posh members-only club with a literally dramatic history.

The notorious headquarters of a corrupt political machine.

The most confusing clock in New York.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This tiny home was originally a narrow alleyway.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This whimsical fountain pays tribute to Toronto's four-legged friends.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The bears of Bern have been a city highlight for over 500 years.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

Inside features a display of how artistic crucifixes transformed throughout the centuries.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.