These mysterious ruins are hidden amid this sleepy coastal city.

Mariners once used this prehistoric landfill as a navigational landmark.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

An Orlando museum houses the world’s most comprehensive collection of work by Louis Comfort Tiffany.

Get up close to an F-4 Phantom flown in the Vietnam War at this Florida park.

Neo-cave art on the macro scale.

Prehistoric history as seen through the lens of an outsider artist.

Besides being home to cave paintings and pre-Columbian Cuban archaeological remains, you get to take a boat through this stalactite and stalagmite covered cave.

A bulky, ancient stupa marks the site of Siddhartha Gautama's seminal Buddhist teaching.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

An ancient iron pillar in Delhi that seems to be rustproof.

This magnificent 18th-century hall consists of a maze of nearly a thousand interconnected passages.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The world's most active stratovolcano is almost always erupting.

Thousands of well-dressed mummies below a monastery.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Years of archaeology, just chillin' by the water cooler.

An antiquated German apothecary on Chicago's North Side.

The world's tallest statue of an American hero.

This historic Civil War church has survived over a century of racial turmoil but still stands as a reminder of the town's roots.