Explore 10 acres of environmental sculptures.

The final resting place of a space program monolith, soon to be unveiled again to the public.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Resting place of Hollywood's immortals is also site of summer film screenings.

At 207 feet, one of the world's longest continuous escalators.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The site of the climactic scene from the classic horror film is now a historic landmark.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A modern day curiosity cabinet.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

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

This massive blockhead sculpture hides an entire library.