This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Giant, friendly pelicans in Central London, the most unlikely of places.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

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

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

Visitors to this library are in for a real-world education in modernist architecture.

A downtown park built on top of unclaimed graves.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Oddly shaped rock formation, misassociated with a nearby utopian community.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

A tourist attraction founded around a slumping cabin.

The largest wooden building in the world now houses a fascinating collection of aircraft.

A massive sea stack famous for its appearance in The Goonies.

"X" marks the spot of an echo chamber in the middle of a plaza.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The world's smallest drawbridge.

The final resting place for Bermuda's British military, including a man who died of sunstroke.

The abandoned Bermudian home of a British naval leader is surrounded by crumbling sporting fields and the graves of convicts.

Banksy gives themself artistic license with this piece of London street art.

A house carved into a rock in the 1940s.

Extensive Orthodox icon collection in Andorra.

Single runway interrupted by a busy road that cuts across its middle.

A recently restored Shoreditch landmark with ties to Jack the Ripper.