A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Stairs often replace streets on the steep slopes of this old mining town.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This fireplace-turned-monument pays tribute to the assassinated U.S. president.

The former home of the army detachment that captured Geronimo.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

This giant steer-skull edifice refuses to die.

Dine on dumplings at the oldest dim sum restaurant in New York.

The impeccably spiced roast pork buns at this bakery are worth the wait.

This collection of several museums includes one of the oldest structures in Iceland.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The first declared National Monument in the United States.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

The land is home to swimming ponies and a legendary 18th-century treasure.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.