Looming communist pillar with a Czech twist.

Frida Kahlo's childhood home, now a museum of her life and works.

Step inside Lucy, the world's largest "elephant."

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

A graffiti Mecca welcoming artists from around the world.

The most confusing clock in New York.

Elevated freight railway turned wildly successful urban park.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

An urban laboratory.

See massive fossils that are over 200 million years old in northeastern Arizona.

A motel dedicated to Southwestern nostalgia.

A reproduction of earth's many biomes.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

Version of the French Riviera destroyed by the sea.

Explore 10 acres of environmental sculptures.

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

Acres of natural wonders left behind by a socialite-turned-gardener.