Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

A forest park outside Tallinn full of architectural and artistic curiosities.

Two thirds of this Montreal neon icon has survived to flash another day.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

Canada's subterranean Cold War museum has doubled as a movie set.

One of the largest underground systems runs under Canada's largest urban center.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A 19th-century architectural wonder designed by the "father of the skyscraper."

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

The seat of Buffalo government is a gorgeous Art Deco palace.

The absurd creation is a compulsory destination for selfies in Buffalo.

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

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

3,000 market stands in five former Zeppelin hangars.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

This micro-nation may be some sort of prank, but its constitution sure seems official.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.