Where commuters walk through remnants of an ancient Greek necropolis.

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

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

The world's smallest drawbridge.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

An emporium for the weird, creepy, rare, and just plain gross.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

A museum dedicated to the history and exploration of both popular music and science fiction.

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A grandiose title could not save this mercantile community from obscurity.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

This massive airship factory is so large that it has its own indoor weather.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A sharp bend in a dramatic river canyon cut through red rocks.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."