The world's largest dark sky preserve is a Canadian park established to preserve the country's last wood bison.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

Soaring over the Niagara Whirlpool since 1916.

While these wooden totems bear a striking resemblance to First Nations artwork of British Columbia, their actual origins lay on the opposite side of the Pacific Ocean.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Surrounded by a verdant garden and a backdrop of ivy, a monument to beloved poet Khalil Gibran stands outside of the Lebanese embassy.

The oldest house in Washington, D.C. wasn't originally constructed in the nation's capital.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

The walls of the iconic dome are hollow and have a secret stairway.

The national park was once a plantation estate.

When it opened during the final years of the embargo, all the drinks and cigars were free.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The United States Capitol's former columns still stand.

The site of the climactic scene from the classic horror film is now a historic landmark.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

An abandoned giant glass dome sits in the bay in “the Venice of the East.”

Have a soak at this retro bathhouse, where you will find Japan's first electric bath, tiling from Spain, and wood carvings representing the Japanese invasion of Manchuria.

An isolated "phantom bridge" doomed to crumble into ruin.