A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

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

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

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

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

Three columns of volcanic rock shoot out of the ocean.

A tiny village church in dramatic surroundings.

A historic cavernous cistern lies hidden behind a wall at San Marino’s stamp and coin museum.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

A historic freight system that found the true gold rush is in tourism.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

The water swaps direction twice a day, whipping into a frenzy of whirlpools and rapids.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.