A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A palatial horse museum outside Shanghai is home to the most pampered horses in the world.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The shiny silver little brother to Copenhagen's Little Mermaid statue.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

See Hoover Dam and the bypass bridge from a perspective usually off-limits to the public, and float the upper part of the Black Canyon National Water Trail.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

Mysterious meeting place for UFO hunters near Area 51.

Eulogizing an unknown man's unusual demise.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

A tunnel with windows, so you don't miss out on the impressive views.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

The best Tiki bar in Las Vegas.

Only intact Ichthyosaur skeleton in the United States.

An eatery for UFO seekers on the Extraterrestrial Highway.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.