At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

Nuclear waste dump site now an environmental sanctuary.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Europe's highest peak is a key pillar of the Seven Summits mountaineering challenge.

This massive glowering Lenin head gazes out over eastern Siberia.

Some of the world's only freshwater seals live in one very special lake in Russia.

Former headquarters of the KGB.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

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

Climb to the top of the world's largest seated bronze Buddha.

You must take the A train... to the last active cemetery in Manhattan.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A bit of retro transportation flair preserved in the world's largest department store.

The supreme shrine of the state.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

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

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.