A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Northern Ireland's Brobdingnagian stepping stones.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The conquistador's former fortress is the oldest preserved colonial building in the Americas.

Stay in a room with a view... of the bottom of the ocean.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

Adherence to strict Jewish laws is required to enter this ultra-conservative New York village.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

An ancient underground cultic temple where sunlight penetrates on the summer solstice.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

60 feet of towering steel balances gracefully.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Built by the patriotic residents of Boonsboro in a single day.

The ruins of an ancient city built by Mayan traders is centered around a temple of a sacred feathered serpent deity.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.