This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

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

This blowhole is supposedly caused by a trapped monster.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Images chiseled into the basalt here date back an estimated 300 years.

One of the largest trees of its kind in California.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

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

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This bridge was constructed from the rubble of the infamous Bastille.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

The highest peak in the state of Vermont has some interesting features.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

The most photographed house in Maine looks good enough to eat.

This tiny patch of arid sand sits in one of the greenest states in the United States.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.