This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

Money may not grow on trees, but it can be dispensed by one.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

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

This small fort played a huge role defending Puerto Rico’s capital city.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

This tiny little island has, as the name says, just enough room for its single house.

A castle built for love, and abandoned due to heartbreak.

Commemorating the spot where the famous scientist fed his pigeons.

There must be a pun in this haystack somewhere...

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

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Tour the sci-fi-esque reality of governmental disease management.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

Legendary prop shop filled with one man's collection of scientific curiosities.

Though it's unclear why it's there, the lifelike sculpture of the giant lizard is oddly charming.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

This vessel is believed to be the oldest operating fireboat in the world.

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