A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

Continuing the tradition of the dime museum in style.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

"Only the devil could play golf here."

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

Known as "Toronto's Flatiron."

In the back of a bustling factory lurks a quiet museum honoring the history of Canadian sugar manufacturing.

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

Soaring over the Niagara Whirlpool since 1916.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

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

An exquisite collection of fairytale conveyances that puts most car museums to shame.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.