A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

New York's southernmost subway station is whimsically wavy.

Walk into the 19th century without leaving Brooklyn.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Sniff the Titan Arum's rotting flesh.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

At 207 feet, one of the world's longest continuous escalators.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

The magic's in the hole!

The seamy, underground secrets of Portland's criminal past.

This stunning concert hall has become a symbol of Iceland's national recovery.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant