The oldest living tree in Manhattan comes shrouded in sinister legend.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

A semi-scholarly approach to sex.

New York City's only preserved family home from the 19th century.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This small New York museum celebrates the mountainous artwork of a Russian mystic.

Skewer up Kangaroo.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Slyly buy a shake in the Parker Meridien lobby.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Tucked in the back of this amazing antique store is an important piece of medical history.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A crumbling hospital from the 1850s on Roosevelt Island.

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

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The most visited, and possibly most controversial, museum in Germany.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Roman ruins top white travertine terraces formed by ancient hot springs.

Macabre astrological automaton clock dating to the late 1400s.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

The world's largest collection of witchcraft regalia.