The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

Iconic rock formations that allow for exploration during high or low tide.

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

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

This Toronto garden collects stares and tchotchkes in equal measure.

This natural sea cave hides a small wonderland of natural turquoise beauty.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A monument to the man who almost killed Hitler.

Started as a kitchen garden, now the second largest botanical garden in the world.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A brush maker used his factory to protect blind Jews from the Gestapo.

Berlin's old airport.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Eighty million natural history specimens call this gargantuan museum home.