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

The prototype for all Nazi concentration camps.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

A massive collection of petroglyphs dating back some 40,000 years.

The location where the iconic movie character declared it was time to go home.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

This group of small islands on Lake Nicaragua formed after an eruption of the Mombacho volcano.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

This small city park is best known for the nightly convergence of thousands of shrieking parakeets.

A celebration of Colombia’s premier contemporary artist.