The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

You can crawl inside this atmospheric 5,000-year-old tomb.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

A Roman spa buried deep beneath the City of London.

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

One of the biggest markets in Asia, under one of the continent's largest domes.

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

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

A display of hand-built replicas of the legendary vessels used by Patagonian and Antarctic explorers.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

This French colonial post office is arguably the grandest in all of Southeast Asia.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

The home of an eccentric Edwardian gentleman is packed to the rafters with handcrafted items collected over a lifetime.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.