This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

Where monkeys run wild and the humans are caged.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A layered tribute to the work of mosaicist Isaiah Zagar.

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

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Outsider art meets paleontology at this roadside reptile repository.