With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Former villa and estate of James Deering developed to preserve native tropical forests.

This beautiful Miami garden was designed as a laboratory for tropical plants.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

This painted blacktop brings the classic arcade game to life.

This former coal gasification plant found a curious second life as a popular public park.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

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

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This French colonial post office is arguably the grandest in all of Southeast Asia.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

One of the biggest markets in Asia, under one of the continent's largest domes.