This vintage animatronics show is the Vegas version of a walk through the woods.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

For more than 25 years, this Philadelphia store has been offering a wide selection of Victorian oddities and antiques.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Nose around a unique collection of more than 300 natural aromas used to craft perfume fragrances.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The anatomical-pathological collection of a man who changed surgery.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A Saxony castle houses one of the largest and most outstanding mineral collections in the world.

Believed to hold the remains of Japan's most infamous fox spirit, this stone is said to kill those who dare approach.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

The curiosities and wonders of pharmacy in a delightful historic building.

An icon of International Style architecture on the outskirts of Rotterdam.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Snow-capped peaks, colorful waterfalls and stunning vistas on the edge of the Himalayas.

A rare view of a preserved Victorian science museum.

A derelict bit of transportation infrastructure hidden in the woods.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.