Tiki luxury on Nob Hill.

A modern mechanical planetary system, part of a 10,000 year clock.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

The world's only museum devoted to the wonders of fluorescence.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

The spectacular history of spectacles on display.

Famously misunderstood wonder of the ancient world

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

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

What remains of the simple red brick chapel where the women's rights movement began.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

A hidden subterranean installation offers a view of the sky.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The restored and active Victorian-era final resting place of San Francisco.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Once America's tallest structure, now a Baltimore landmark.

Home to items never before seen by the public.

An overlooked and unassuming engineering marvel.

San Francisco’s century-old Christmas Tree.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

This historic Victorian hotel has a scandalous history of affairs and murder.