A vast array of tropical plants collected by a vacationing couple.

This secluded ruin was once a home for exotic plants.

The stone sculpture of an Ottoman soldier is an homage to a lost Providence landmark.

An annual extravaganza of Broadway theater memorabilia.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

The blinking light atop the iconic landmark has been sending secret messages for decades.

This shack nestled in a 120-acre forest of maple trees in Mont-Rigaud is a wonderland of sugary syrup.

Electrical pylon in the shape of Disney's beloved mouse.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

This impressive scene portrays the elusive forest giraffe of Central Africa.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

The Liverpool street made famous by the Beatles is real.

The quiet field that inspired one of the most famous songs of all time.