This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

Known as the site of 'El Dorado,' this mysterious lake is rumored to hold gold beneath its waters.

The phone booths in this English town have distinctly milky hues.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

Abandoned mini-mansions that were once intended for affluent Bangkok families now sit empty.

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

This 19th-century church is now a popular roller rink.

Legend has it this gnarled old tree was planted by Tsar Peter the Great during his visit to London.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

This unassuming farm complex was once the epicenter of an underground liberation group.

Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

A 12,000-year-old bog boasting rare plants and fauna.

An outdoor installation of 20 vintage signs that once hung in front of businesses throughout town.

The oldest of the three remaining bridges in England with buildings on top of them.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

This stately clubhouse has showcased German-American culture for over a century.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.